scheppach HC550TC-230V Compressed Air Compressor Instruction Manual

: October 27, 2023
: Scheppach

HC550TC-230V Compressed Air Compressor
Instruction Manual scheppach HC550TC-230V Compressed Air
Compressor

HC550TC-230V

HC550TC-230V Compressed Air Compressor

scheppach HC550TC-230V Compressed Air Compressor - Figure
1 scheppach
HC550TC-230V Compressed Air Compressor - Figure 2

Description of the symbols on the device

The use of symbols in this handbook is designed to direct your attention to possible risks. You must make sure that you understand the safety symbols and explanations accompanying them. Warnings themselves cannot remove risks and cannot substitute correct action for the prevention of accidents.

| Read and follow the operating and safety instructions before you start working with this power tool.
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| Wear ear-muffs. The impact of noise can cause damage to hearing.
****| Beware of hot parts!
| Warning! The equipment is remote-controlled and may start-up without warning.
| Beware of electrical voltage!

Introduction

Manufacturer:
scheppach
Fabrikation von Holzbearbeitungsmaschinen GmbH
Günzburger Straße 69
D-89335 Ichenhausen
Dear customer,
We hope your new tool brings you much enjoyment and success.
Note:
According to the applicable product liability laws, the manufacturer of the device does not assume liability for damages to the product or damages caused by the product that occurs due to:

Improper handling
Non-compliance of the operating instructions
Repairs by third parties, not by authorized service technicians
Installation and replacement of non-original spare parts
Application other than specified
A breakdown of the electrical system that occurs due to the non-compliance of the electric regulations and VDE regulations 0100, DIN 57113 / VDE0113

We recommend:
Read through the complete text in the operating instructions before installing and commissioning the device. The operating instructions are intended to help the user to become familiar with the machine and take advantage of its application possibilities in accordance with the recommendations.
The operating instructions contain important information on how to operate the machine safely, professionally and economically, how to avoid danger, costly repairs, reduce downtimes and how to increase reliability and service life of the machine.
In addition to the safety regulations in the operating instructions, you have to meet the applicable regulations that apply for the operation of the machine in your country. Keep the operating instructions package with the machine at all times and store it in a plastic cover to protect it from dirt and moisture. Read the instruction manual each time before operating the machine and carefully follow its information.
The machine can only be operated by persons who were instructed concerning the operation of the machine and who are informed about the associated dangers. The minimum age requirement must be complied with. In addition to the safety instructions contained in this operating manual and the specific regulations of your country, the technical rules generally accepted for the operation of machines of the same type must be observed.
We accept no liability for damage or accidents which arise due to non- observance of these instructions and the safety information.

Device description (Fig. A; B)

1. Air filter housing
2. Protective grate
3. V-belt
4. Motor
5. ON/OFF switch
6. Transport handle
7. Pressure switch
8. Pressure regulator
9. Pressure gauge (for reading the preset vessel pressure)
10. Quick-lock coupling (regulated compressed air)
11. Pressure gauge (for reading the vessel pressure)
12. Pressure vessel
13. Supporting foot
14. Wheel
15. Oil drain plug
16. Oil– level window
17. Compressor pump
18. Oil filler plug
19. Quick-lock coupling (unregulated compressed air)
20. Safety valve
21. Drain plug for condensation water| 22. Mains cable
23. Screw (Wheel)
24. Washer (Wheel)
25. Spring washer (Wheel)
26. Nut (Wheel)
27. Screw (Supporting foot)
28. Washer, small (Supporting foot)
29. Washer, large (Supporting foot)
30. Spring washer (Supporting foot)
31. Nut (Supporting foot)
32. Wing nut (air filter)
33. Washer (air filter)
34. Screw (handle)
35. Washer (handle)
36. Spring washer (handle)
37. Nut (handle)
38. Plastic clips
39. Screw (protective grate)
40. Washer (protective grate)
41. Spacer sleeve
42. Screw (motor)
43. Overload switch
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Scope of delivery

Compressor
Air filter (3 units)
Foot (2 units)
Wheel (2 units)
Assembly material
Transport handle
Translation of Original Operating Manual

Intended use

The compressor is designed to generate compressed air for compressed-air driven tools. The equipment is to be used only for its prescribed purpose. Any other use is deemed to be a case of misuse. The user / operator and not the manufacturer will be liable for any damage or injuries of any kind caused as a result of this. An element of the intended use is also the observance of the safety instructions, as well as the assembly instructions and operating information in the operating manual. Persons who operate and maintain the machine must be familiar with the manual and must be informed about potential dangers.
In addition, the applicable accident prevention regulations must be strictly observed. Other general occupational health and safety-related rules and regulations must be observed. The liability of the manufacturer and resulting damages are excluded in the event of modifications of the machine. The machine may be operated only with original parts and original accessories of the manufacturer.
The safety, work and maintenance instructions of the manufacturer as well as the dimensions indicated in the Technical Data section must be adhered to. Please note that our equipment has not been designed for use in commercial, trade or industrial applications. Our warranty will be voided if the equipment is used in commercial, trade or industrial businesses or for equivalent purposes.

Safety information

General safety information
Attention!
The following basic safety measures must be observed when using electric tools for protection against electric shock, and the risk of injury and fire. Read all these notices before using the electric tool and keep the safety instructions for later reference.

Service and maintenance

Regular cleaning, maintenance and lubrication.
Always pull the electrical plug before any adjustment, maintenance or repair.
Have your device repaired only by qualified experts and only with original replacement parts. This ensures the continued safety of the device.

Working safely

Keep your work area orderly
– A messy work area can cause accidents.
Consider environmental influences
– Do not expose electric tools to rain.
– Do not use electric tools in damp or wet environments.
– Keep the work area well lit.
– Do not use electric tools where there is a risk of fire or explosion.
Protect yourself from electric shock
– Avoid physical contact with earthed parts (such as pipes, radiators, electric stoves or cooling devices).
Keep other people away
– Do not let other people — especially children — touch the electric tool or its cable. Keep them clear of the work area.
Store electric tools safely when they are not in use
– Unused electric tools should be kept in a dry, high or closed area, out of reach of children.
Do not overload your electric tool
– Work is better and safer within the performance range indicated.
Use the right electric tool
– Don’t use low-performance machines for heavy-duty jobs.
– Do not use the electric tool for purposes for which it was not intended. For example, do not use a portable circular saw for cutting tree branches or logs.
Wear proper clothing
– Do not wear loose clothing or jewellery, as they can get caught in moving parts.
– When working outdoors, wear slip-resistant shoes.
– Wear a hairnet over long hair.
Use protective gear
– Wear safety glasses.
– Wear a breathing mask during work that creates dust.
Connect the dust extraction equipment
– If there are connections to dust extraction and collection equipment, make sure that they are connected and properly used.
Do not use the cable for purposes for which it was not intended
– Never use the cable to pull the plug from the socket. Protect the cable from heat, oil and sharp edges.
Secure the work piece
– Use clamps or a vice to hold the work piece firmly. They will hold it more securely than your hand can.
Avoid abnormal postures
– Make sure to stand securely and always keep your balance.
Maintain your tools with care
– For better and safer work, keep cutting tools sharp and clean.
– Follow the instructions for lubrication and changing tools.
– Regularly inspect the electric tool’s connection cable, and if it is damaged, have it replaced by an authorized expert.
– Regularly check extension cords, and replace them if they are damaged.
– Keep the handles dry, clean and free of oil and grease.
Pull the plug from the socket
– When not using the electric tool, before maintenance or when changing tools, such as saw blades, drills and cutting bits.
Do not leave any tool keys inserted
– Before switching on, check to see that keys and adjustment tools have been removed.
Avoid unintentional activation
– When plugging the tool in, make sure that the switch is turned off.
Use outdoor extension cords
– When outdoors, use only extension cords that are approved and appropriately marked.
– Only use cable reels in the unrolled state.
Be alert
– Pay attention to what you do. Approach your work sensibly. Do not use the electric tool when you are distracted.
Check the electric tool for damage
– Before using the electric tool, you must inspect safety equipment or slightly damaged parts carefully to ensure that they work properly and as intended.
– Check to see that the moving parts operate freely and don’t stick, and to make sure no parts are damaged. All parts must be mounted properly and meet all the conditions for ensuring trouble-free operation of the electric tool.
– Damaged safety equipment and parts must be properly repaired or replaced by a professional facility, unless otherwise indicated in the user manual.
– Damaged switches must be replaced by a customer service facility.
– Never use an electric tool whose switch cannot be turned on and off.
CAUTION!
– Using other insertion tools and accessories may cause injury.
Have your tool repaired by an electrical expert
– This electric tool meets applicable safety requirements. Repairs must be made only by an electrical expert using original replacement parts.
Otherwise accidents many occur.
Noise
– Wear ear muffs when you use the compressor.
Replacing the power cable
– To prevent hazards, leave the replacement of damaged power cables strictly to the manufacturer or a qualified electrician. There is a risk of electric shock!
Inflating tires
– Directly after inflating tires, check the pressure with a suitable pressure gauge, for example at your filling station.
Roadworthy compressors for building site operations
– Make sure that all lines and fittings are suitable for the maximum permissible operating pressure of the compressor.
Place of installation
– Set up the compressor on an even surface.
Supply hoses at pressures above 7 bar should be equipped with a safety cable (e.g. a wire rope).

ADDITIONAL SAFETY INSTRUCTIONS
Safety instructions for working with compressed air and blasting guns

The compressor pump and lines can become very hot during operation. Touching these parts will burn you.
The air which is sucked in by the compressor must be kept free of impurities that could cause fires or explosions in the compressor pump.
When releasing the hose coupling, hold the hose coupling piece with your hand. This way, you can protect yourself against injury from the rebounding hose.
Wear safety goggles when working with the blowout pistol. Foreign bodies or blown off parts can easily cause injuries.
Do not blow at people with the blow-out pistol and do not clean clothes while being worn. Risk of injury!

Safety information for paint spraying

Do not process any paints or solvents with a flash point below 55° C. There is a risk of explosion!
Do not heat up paints or solvents. There is a risk of explosion!
If hazardous liquids are processed, wear protective filter units (face guards). Also, adhere to the safety information provided by the manufacturers of such liquids.
The details and designations of the Ordinance on Hazardous Substances, which are displayed on the outer packaging of the processed material, must be observed.
Additional protective measures are to be undertaken if necessary, particularly the wearing of suitable clothing and masks.
Do not smoke during the spraying process and/or in the work area. There is a risk of explosion! Paint vapors are easily combustible.
Never set up or operate the equipment in the vicinity of a fire place, open lights or sparking machines.
The work area must exceed 30 m 3 and sufficient ventilation must be ensured during spraying and drying.
Do not spray against the wind. Always adhere to the regulations of the local police authority when spraying combustible or hazardous materials.
Do not process media such as white spirit, butyl alcohol and methylene chloride with the PVC pressure hose. These media will destroy the pressure hose.

Operation of pressure vessels

Anyone who operates a pressure vessel must keep this in good working order, operate and monitor it correctly, perform the necessary maintenance and servicing works immediately and implement safety measures as required according to the circumstances.
The regulatory authority can instruct necessary monitoring measures in individual cases.
A pressure vessel must not be operated if it exhibits a defect that poses a danger to personnel or third parties.
Check the pressure vessel for rust and damage each time before use. The compressor shall not be operated if the pressure vessel is damaged or rusty. If you discover damage, please contact the customer service workshop.

Do not lose these safety instructions
WARNING! This electric tool generates an electromagnetic field during operation. This field can impair active or passive medical implants under certain conditions. In order to prevent the risk of serious or deadly injuries, we recommend that persons with medical implants consult with their physician and the manufacturer of the medical implant prior to operating the electric tool.

Residual risks
The machine has been built according to the state of the art and the recognized technical safety requirements. However, individual residual risks can arise during operation.

Health hazard due to electrical power, with the use of improper electrical connection cables.
Residual risks can be minimized if the „safety instructions“ and the „Proper use“ are observed along with the whole of the operating instructions.
Residual risks can be minimized if the „safety instructions“ and the „Proper use“ are observed along with the whole of the operating instructions.

Technical data

Mains power connection	230 V / 50Hz
Engine output W	2200 W / 3 PS
Operating mode	S1
Compressor speed	2900 min-1

Reserve technical changes
S1 operating mode (continuous duty)
The noise emission values were measured in accordance with EN ISO 3744.
Wear hearing protection.
The effects of noise can cause a loss of hearing.

Unpacking

Open the packaging and remove the device carefully.
Remove the packaging material as well as the packaging and transport bracing (if available).
Check that the delivery is complete.
Check the device and accessory parts for transport damage. When complaints the dealer must be informed immediately. Subsequent complaints will not be accepted.
If possible, store the packaging until the warranty period has expired.
Read the operating instructions to make yourself familiar with the device prior to using it.
Only use original parts for accessories as well as for wearing and spare parts. Spare parts are available from your specialized dealer.
Specify our part numbers as well as the type and year of construction of the device in your orders.

ATTENTION!
The device and packaging materials are not toys! Children must not be allowed to play with plastic bags, film and small parts! There is a risk of swallowing and suffocation!

Attachment / Before starting the equipment

IMPORTANT!
You must fully assemble the appliance before using it for the first time!

You require the following for assembly:

Open-ended spanner 15 mm (not included in the scope of supply)
Open-ended spanner 17 mm (not included in the scope of supply)
Open-ended spanner 27 mm (not included in the scope of supply)
Allen key 6 mm (not included in the scope of supply)

8.1 Fitting the wheels (Fig. C)
Insert the screw (23) through the wheel (14). Now insert the screw (23) through the mount on the pressure vessel (12). Now fasten the screw (23) with the washer (24), the spring washer (25) and nut (26). Repeat the process on the other side of the pressure vessel (12).

8.2 Fitting the foot (2x) (Fig. D)
Fit the washer (28) on the screw (27). Then insert the screw (27) through the foot (13). The foot (13) is subsequently fitted on the mount on the pressure vessel (12). Fasten the foot (13) with the washer (29), the spring washer (30) and nut (31). Repeat the process for the second foot.

8.3 Fitting the air filter (3x) (Fig. E)
Remove the transport protection from the air filter mount (if applicable). Remove the wing nut (32) and washer (33) from the threaded pin on the compressor pump. Fit the air filter housing (1) with the paper filter on the threaded pin.
Refasten the air filter housing (1) with the washer (33) and wing nut (32).
Repeat the process with all air filters.
Fasten the air filter with the inlet opening facing downwards, to avoid excessive contamination.

8.4 Fitting the transport handle (Fig. F)
Fasten the transport handle (6) to the pressure vessel (12) as shown.
To do so, fit a washer (35) on a screw (34). Guide the screw through an elongated hole on the pressure vessel (12) and fasten the screw with a washer (35), spring washer (36) and nut (37).
Repeat this process three times.

8.5 Before starting the equipment

Before you connect the equipment to the mains supply make sure that the data on the rating plate are identical to the mains data.
Check the equipment for damage which may have occurred in transit. Report any damage immediately to the transport company which was used to deliver the compressor.
Install the compressor near the point of consumption.
Avoid long air lines and supply lines (extension cables).
Make sure that the intake air is dry and rust-free.
Do not install the compressor in a damp or wet room.
The compressor may only be used in suitable rooms (with good ventilation and an ambient temperature from +5 °C to 40 °C). There must be no dust, acids, vapors, explosive gases or inflammable gases in the room.
The compressor is designed to be used in dry rooms. It is prohibited to use the compressor in areas where work is conducted with sprayed water.
The oil level in the compressor pump has to be checked before putting the equipment into operation.

Starting up

IMPORTANT!
You must fully assemble the appliance before using it for the first time!
9.1 On/off switch (Fig. G)
Pull the ON/OFF switch (5) upwards to switch on the compressor. To switch off the compressor, press the ON/OFF switch down.
9.2 Pressure adjustment: (Fig. A; B)
The pressure at the manometer (9) is adjusted with the pressure regulator (8).
The pressure set can be utilised by connecting to the quick-coupling (10).
The boiler pressure is read off at the manometer (11).
The boiler pressure is taken at the quick-coupling (19).

9.3 Pressure switch position (Fig. A)
The pressure switch (7) is set in the factory. Switching pressure approx. 8 bar, switch-off pressure approx. 10 bar

9.4 Overload switch
The motor is equipped with an overload switch. If the compressor is overloaded, the overload switch switches off automatically to protect the compressor against overheating. If the overload switch has triggered, switch the compressor off at the on/off switch (5) and wait until the compressor has cooled down.
Then press the overload switch (43) and restart the compressor.

9.5 Relieving the overpressure after work is complete
Release the excess pressure by switching off the compressor and using the compressed air which is still left in the pressure vessel, e.g. with a compressed air tool running in idle mode or with a blowoutpistol.

Electrical connection
The electrical motor installed is connected and ready for operation. The connection complies with the applicable VDE and DIN provisions.
The customer‘s mains connection as well as the extension cable used must also comply with these regulations.

The product meets the requirements of EN 610003-11 and is subject to special connection conditions. This means that use of the product at any freely selectable connection point is not allowed.
Given unfavourable conditions in the power supply the product can cause the voltage to fluctuate temporarily.
The product is intended solely for use at connection points that
a) do not exceed a maximum permitted supply impedance “Z” (Zmax = 0.382 Ω), or
b) have a continuous current-carrying capacity of the mains of at least 100 A per phase.
As the user, you are required to ensure, in consultation with your electric power company if necessary, that the connection point at which you wish to operate the product meets one of the two requirements, a) or b), named above. Damaged electrical connection cable

The insulation on electrical connection cables is often damaged.
This may have the following causes:

Passage points, where connection cables are passed through windows or doors.
Kinks where the connection cable has been improperly fastened or routed.
Places where the connection cables have been cut due to being driven over.
Insulation damage due to being ripped out of the wall outlet.
Cracks due to the insulation ageing.
Such damaged electrical connection cables must not be used and are life- threatening due to the insulation damage.
Check the electrical connection cables for damage regularly. Make sure that the connection cable does not hang on the power network during the inspection.
Electrical connection cables must comply with the applicable VDE and DIN provisions. Only use connection cables with the marking „H05VV-F“. The printing of the type designation on the connection cable is mandatory.

Cleaning

Important!
Pull out the power plug before doing any cleaning and maintenance work on the equipment. Risk of injury from electric shock!
Important!
Wait until the equipment has cooled down completely!
Risk of burns!
Important!
Always depressurize the equipment before carrying out any cleaning and maintenance work! Risk of injury!
We recommend that you clean the device immediately each time you have finished using it.

Keep the equipment free of dirt and dust as far as possible. Wipe the equipment with a clean cloth or blow it down with compressed air at low pressure.
We recommend that you clean the equipment immediately after you use it.
Clean the equipment regularly with a damp cloth and some soft soap. Do not use cleaning agents or solvents; these may be aggressive to the plastic parts in the equipment. Ensure that no water can get into the interior of the equipment.
You must disconnect the hose and any spraying tools from the compressor before cleaning. Do not clean the compressor with water, solvents or the like.

Transport

To change the position of the device, lift the transport handle and pull the device to the new location.
When transporting the device in a vehicle it must be secured to the loading bed with straps.

Storage

Important!
Pull out the mains plug and ventilate the equipment and all connected pneumatic tools. Switch off the compressor and make sure that it is secured in such a way that it cannot be started up again by any unauthorized person.
Store the device and its accessories in a dark, dry and frost-proof place that is inaccessible to children.
The optimum storage temperature is between 5 and 30˚C.
Store the electrical tool in its original packaging.
Cover the electrical tool in order to protect it from dust and moisture. Store the operating manual with the electrical tool.

Maintenance

You require the following for maintenance:

Open-ended spanner 14 mm (2 units – not included in the scope of supply)
Allen key 4 mm (not included in the scope of supply)

Important!
Pull out the power plug before doing any cleaning and maintenance work on the equipment. Risk of injury from electric shock!
Important!
Wait until the equipment has cooled down completely!
Risk of burns!
Important!
Always depressurize the equipment before carrying out any cleaning and maintenance work! Risk of injury!

13.1 Changing the V-belt (Fig. H to K)
To change the V-belt on the compressor, please be sure to disconnect the device from the mains. Once the compressor has been successfully disconnected from the mains, remove the protective grate by turning the plastic clips (42) 90° using pliers. Then remove the screw (39) including washers (40) and spacer sleeve (41), which connects the protective grate (2) with the motor (4) using a 4mm Allen key.
Now undo the four screws (42) on the motor (4) with two size 14 spanners, so that you can subsequently slide the motor. It is now possible to change the V-belt (3).
After successfully changing the V-belt, perform the same steps in reverse order to bring the device back into operational condition. Make sure the motor is bolted at a right angle to the running direction, in order to guarantee fault-free running of the V-belt.

13.2 Maintenance work on the pressure vessel Important!
To ensure a long service life of the pressure vessel (12) , drain off the condensed water by opening the drain valve (21) each time after using. Release the vessel pressure first (see 9.5). . Open the drain screw by turning counter-clockwise (looking at the screw from the bottom of the compressor) so that all the condensed water can run out of the pressure vessel. Then close the drain screw again (turn it clockwise). Check the pressure vessel for signs of rust and damage each time before using. Do not use the compressor with a damaged or rusty pressure vessel. If you discover any damage, then please contact the customer service workshop.

Important!
The condensed water from the pressure vessel will contain residual oil. Dispose of the condensed water in an environmentally compatible manner at a suitable collection point.
13.3 Safety valve (Fig. B)
The safety valve (20) has been set for the highest permitted pressure of the pressure vessel. It is prohibited to adjust the safety valve or remove its seal. Actuate the safety valve from time to time to ensure that it works when required. Pull the ring with sufficient force until you can hear the compressed air being released. Then release the ring again.
13.4 Checking the oil level at regular intervals (Fig. F)
Place the compressor on a level and straight surface. The oil level must be at the centre of the oil sight glass (16) (red dot).

13.5 Changing the oil (Fig. L)
The first oil filling must be changed after 100 operating hours; afterwards perform an oil change every 500 operating hours. Switch the motor off and unplug the mains plug from the power outlet. Remove the oil drain screw (15). Additionally open the oil filler plug (18). To prevent the oil from running out in an uncontrolled manner, hold a small metal chute under the opening and collect the oil in a vessel. If the oil does not drain out completely, we recommend tilting the compressor slightly. When the oil has drained out, re- fit the oil drain plug (15). Dispose of the old oil at a drop-off point for old oil. To fill in the correct quantity of oil, make sure that the compressor stands on an even surface.Remove the oil filler plug (18) and add new oil through the oil filler opening, until the oil level in the oil sight glass (16) has reached the correct quantity (red dot). Do not exceed the maximum filling quantity. Overfilling the equipment may result in damage. Reinsert the oil filler plug (18) in the oil filler opening.

13.6 Cleaning the air filter
The air filter prevents dust and dirt being sucked in. It is necessary to clean this filter at least every 300 operating hours. A blocked air filter significantly reduces the compressor power. Remove the air filter by opening the wing nut (32) on the air filter housing (1). Remove the wing nut (32) and washer (33). Then draw out the air filter housing (1). Draw the air filter housing (1) apart. You can now remove the air filter. Carefully knock out the air filter and the parts of the filter housing. These components must then be blown out with compressed air (approx. 3 bar) and reassembled in reverse order.

13.7 Connections and repairs
Connections and repairs of electrical equipment may only be carried out by an electrician.
Please provide the following information in the event of any enquiries:

Type of current for the motor
Machine data – type plate
Motor data – type plate

Service information
Please note that the following parts of this product are subject to normal or natural wear and that the following parts are therefore also required for use as consumables. Wear parts: Air filters, belts, cylinders, pistons, piston rings, Plastic clips Not necessarily included in the scope of delivery!

Disposal and recycling

The equipment is supplied in packaging to prevent it from being damaged in transit. The raw materials in this packaging can be reused or recycled. The equipment and its accessories are made of various types of material, such as metal and plastic. Defective components must be disposed of as special waste. Ask your dealer or your local council.

Old devices must not be disposed of with household waste!
This symbol indicates that this product must not be disposed of together with domestic waste in compliance with the Directive (2012/19/EU) pertaining to waste electrical and electronic equipment (WEEE). This product must be disposed of at a designated collection point. This can occur, for example, by handing it in at an authorised collecting point for the recycling of waste electrical and electronic equipment. Improper handling of waste equipment may have negative consequences for the environment and human health due to potentially hazardous substances that are often contained in electrical and electronic equipment. By properly disposing of this product, you are also contributing to the effective use of natural resources. You can obtain information on collection points for waste equipment from your municipal administration, public waste disposal authority, an authorised body for the disposal of waste electrical and electronic equipment or your waste disposal company.

Troubleshooting

The table below contains a list of error symptoms and explains what you can do to solve the problem if your tool fails to work properly. If the problem persists after working through the list, please contact your nearest service workshop.

Fault	Possible cause	Remedy
The compressor does not start.	No supply voltage.	Check the supply voltage.

the power plug and the socket-outlet.
Insufficient supply voltage.| Make sure that the extension cable is not too long. Use an extension cable with large enough wires.
Outside temperature is too low.| Never operate with an outside temperature of below +5° C.
Motor is overheated.| Allow the motor to cool down. If necessary, remedy the cause of the overheating.
The compressor starts but there is no pressure.| The safety valve leaks.| Have a service center replace the safety valve.
The seals are damaged.| Check the seals and have any damaged seals replaced by a service center.
The drain plug for condensation water leaks.| Tighten the screw by hand. Check the seal on the screw and replace if necessary.
The compressor starts, pressure is shown on the pressure gauge, but the tools do not start.| The hose connections have a leak.| Check the compressed air hose and tools and replace if necessary.
A quick-lock coupling has a leak.| Check the quick-lock coupling and replace if necessary.
Insufficient pressure set on the pres- sure regulator.| Increase the set pressure with the pressure regulator.