Dongguan Zhike Intelligent Science Technology ZK902A Vacuum Cleaner Instruction Manual

Product introduction and how to use

How to use the water tank and mop assembly

1. Fetch out the dust box firstly.
2. Open the seal button of the water tank, inject cleaning water, cover the sealing lid and assemble the tank into a robot.
3. Push the mopping assembly horizontally into the robot after matching the right snap joint position.

Notes:

1. Fetch out the water tank before irrigation and do not irrigate the whole appliance.
2. Plug off and dry the robot before assembling the water tank and mop.
3. Do not break off the buckle of a water tank in case of fracture.

Single suction & Roller brush

1. Press the buckle on the roller brush cover, then remove the roller brush cover and brush.
   Push the single-suction assembly into the groove after matching the buckle position.

Precautions before using

1. Please clean up small objects, fragile articles, cables, curtain ropes, etc. scattered on the ground before use to prevent entanglement or damage to the property.
2. The users with a duplex structure such as stairs etc. in their homes shall especially note that it is strictly forbidden to use the
   product in the fenceless suspending environment, which is higher than that of the family activities.

Quick instruction

1. Charging stand
Take the charging stand out from the package.

Please make sure that no obstacles in the space of 1 m on both sides and 2m ahead of the charging stand.

2. Charge the robot vacuum cleaner on the charging stand

1. After cleaning, the machine will automatically return to the charging stand for charging. If it cannot return to the charging stand, try to remove the obstacles around the charging stand or take the cleaner back to the charging stand for charging.
2. During the cleaning, if the battery of the machine is lower than 20%, it will automatically return to the charging stand for charging. After the battery is fully charged, it will automatically return to the breakpoint to continue cleaning.
3. If the machine is turned off automatically due to low power, you can manually take it back to the charging stand for charging. Make sure the charging electrode is in good contact and check whether the charging indicator light is on. During the charging of the robot vacuum cleaner on the charging stand, it will automatically turn on.

3. On/Off

1. In case the main machine is being charged on the charging stand, it will automatically turn on.
2. During its charging, the machine cannot be turned off.
3. Long press the power key, the power indicator light will light up and the machine turns on. Meanwhile, there will be a voice prompt after the completion of turning on.
4. In case the main machine is static, long-press the power key to turn it off.

4. Install the mobile client to bind the robot vacuum cleaner
Please scan the QR code below to download and install the mobile client. For details, please refer to the APP Operation Guide.

https://play.google.com/store/apps/details?id=com.ldrobot.tyzkrobot
http://itunes.apple.com/app/id1475218620

5. Connection network for the machine

Before connecting the network, please make sure that the mobile phone and the machine are within the WiFi coverage and as close as possible to the router.
In case the router configuration or the password is changed, or the mobile phone cannot be connected to the device due to other reasons, reset the WiFi of the machine for pairing.
Reset method:
After turning on the machine, press both the power key and the recharge key simultaneously for 3 seconds until you hear the voice prompt and the WiFi indication light slowly flashes, which indicates that the WiFi reset is successful.

Device pairing:
Open the APP to add the device and operate by following APP prompts. The robot vacuum cleaner does not support 5G WiFi, And it does not support WiFi with WEP encryption.

6. Start cleaning
Short press the power key or use the APP to start the cleaning task.
Notes: The cleaning cannot be started if the battery is too low. It is recommended to fully charge before initial use.

Product maintenance

Cleaning of rolling brush

1. Turn the machine and press the buckle on the rolling brush cover from both ends to remove the rolling brush.
2. Clean the windings on the rolling brush with the matching cleaning brush. After cleaning, install the rolling brush and fasten the cover.

• It is recommended to clean the rolling brush regularly and replace it timely as the wear situation.

Cleaning of side brush

1. Turn the machine, lift the left and right brushes up and pull them out.
2. Clean the windings on the left and right brushes and their bearings.
3. Align the side brush with its bearing on the machine and press firmly to install the left and right brushes.

• It is recommended to clean the side brush regularly;
• If the side brush is damaged, please pull out the damaged side brush directly, align the new side brush with its bearing and press firmly.

Battery

1. The high-performance lithium-ion battery pack is built in the machine. And the battery has no memory effect and it is no need to worry about repeated charging/discharging.
2. In order to maintain the best performance, keep the machine charging on the charging stand if it does not work.
3. After the machine is fully charged, please turn it off if it does not work. Keeping charging for a long time may damage the battery.

Charging stand and charging electrode

1. Please wipe the charging stand and charging electrode with a soft dry cloth in the condition of disconnection of power.
2. Please wipe the charging stand and charging electrode regularly to avoid the problem of charging the machine on the charging stand.

Universal wheel

1. Universal wheel.
2. Clean the hair and dust on the wheel and bearings.
3. Assemble the universal wheel again after dried completely

Upgrade the firmware

1. Please check and update the firmware through the settings of the APP.
2. Make sure the robot is charging and the battery is higher than 60% when you upgrade the APP, please refer to the procedure in the APP operation instruction.

 Product parameters

Parameters of the main machine

Parameters of charging stand

The name and content of hazardous substances in the product

O indicates that the content of the hazardous substance in all homogeneous materials of the component is below the limit requirement specified in GB/T 26572.
X indicates that the content of the hazardous substance in at least one of the homogeneous materials of the component exceeds the limit requirement specified in GB/T26572.

Voice prompts and trouble-shooting

If the machine is faulty during operation, the power key quickly flashes in red color. Please refer to the following voice prompts or APP prompt to solve the abnormal problem.

the Lidar or move it to another place to restart.
3| I need to change my position to start to work.| The device is picked up| Move the machine to another place to restart the cleaning.
4| Pls, wipe the bottom falling protecting sensor, my master.| The anti- dropping sensor is blocked or placed high| Please check and clean the anti- dropping sensor and try again.
5| Pls, wipe the crashing protecting sensor right ahead, my master.| Collision sensor abnormal| Please check and clean the anti-collision sensor and try again.
6| Pls, wipe the wall sensor on the right side, my master.| Wall sensor is abnormal| Please check and clean the wall sensor and try again.
7| Pls, wipe the radar cover on the top, my master.| The anti-collision sensor on the radar cover is abnormal.| Please check and clean the foreign objects around the radar cover and try again.
8| AH OH, the crash barrier is stock.| The bumper or anti-collision sensor is stuck.| Please check if the bumper or anti-collision sensor is stuck.
9| Pls, clean the dust box, my master.| The dust box is full or the filter needs to be replaced.| Please clean the dust box or replace it with a new one.
10| AH OH, the main brush seems to be stuck. Pis help me.| The main brush is stuck or entangled.| Please check if the main brush is entangled and clean it.
11| AH OH, the main wheel seems to be stuck. Pls, help me.| The main wheel is stuck or entangled.| Please check if the main wheel is entangled and clean it.

charging or the stand is found, ,
charging stand is not connected with the power supply.| Please check if the charging stand is energized and clean the obstacles around the charging stand.
15| Something is wrong, need to be powered off and have a rest.| A failure that requires a shutdown occurs and it automatically shuts down| Please try to restart the machine.
16| Can’t be powered off when I’m on the charging base.| The shutdown operation is triggered during the charging of the machine on the charging stand.| The machine cannot be turned off while charging, please avoid it.
17| Positioning failed, can’t do the cleaning.| Positioning failed, stop cleaning.| Please make sure the machine is connected to the network properly and try to relocate.
18| Positioning failed, can’t find the way to charge.| Positioning failed, stop charging.| Please make sure the machine is connected to the network properly and try to relocate.

FAQ

ambient temperature is over low or over high, please use it in the range of 0°C-40°C.
It cannot be charged.| The charging stand is not powered, please make sure the power is connected successfully. Poor contact of the charging electrode, please clean the charging stand electrode and the machining electrode.
The machine cannot be returned for charging.| Make sure there is enough space around the charging stand. And make sure that the recognition area on the surface of the charging stand is free of dust and dirt.
The device cannot be found in the mobile.| Please reconnect WiFi and ensure that the network connection to the machine is successful.
The machine is offline.| Please ensure that the network connection of the machine is successful. And make sure the machine is always within the WiFi signal coverage.
The mobile and the device cannot be paired.| Make sure the machine and the charging stand are within the WiFi signal coverage and the signal is good. Please try resetting WiFi before pairing.
There is an abnormal voice during cleaning.| Please check and clean the foreign matters on the rolling brush, side brush, drive wheel, and universal wheel, and clean the machine chassis and anti-collision strip.
Cleaning is not effective.| Please check and clean the dust box and filter. Please replace the filter if it is blocked. Check and clean the rolling brush if it is entangled.
Timing cleaning doesn’t work.| Timed cleaning cannot be triggered if the battery is low. Please confirm that the machine is connected to the network, otherwise, the timing cleaning task cannot be synchronized.
Whether it needs to be charged for 24 hours for the initial use.| The built-in high-performance lithium-ion battery has no memory effect, and it can be used after being fully charged, and no need for charging of 24 hours.
Whether the power of the charging stand needed to be cut off after charging is completed.| In daily use, the standby power consumption is very low, so no need to power off and shut down, and maintaining the charging state is beneficial to the best performance of the battery. If it is not used for a long time, please cut off the power of the charging stand and shut it down for storage. It is recommended to charge once a month to avoid damage to the battery due to over-discharge.
Whether the laser emitted by the laser radar is harmful to the human.| The machine adopts advanced and safe laser radar, which meets the CLASS I laser standard and eye safety level.

Safety information

Service restrictions

1. The product is only for the cleaning of the floor in the home environment and do not use it outdoors (such as open balcony), non-ground (such as sofa, coffee table, etc.), commercial or industrial environment.
2. Do not use the product in a suspended environment (such as duplex floors, home tops, etc. ) to avoid property damage and personal injury caused by the falling off the device.
3. Do not use the product in an environment above 40 0 C or below -10 0 C.
4. Do not use the product in a ground environment with liquid or sticky materials.
5. Please clean up the debris or scattered objects and cables on the ground before use to avoid the machine being blocked or entangled during operation.
6. Please ensure that the items that are fragile, easy to fall, expensive or potentially dangerous are stored properly before use to avoid personal injury or property damage caused by the robot vacuum cleaner during operation.
7. People with physical, mental, or cognitive impairments, including children, are not allowed to use or operate the product.
8. Please properly keep the product, charging stand, and product accessories to prevent children from touching to avoid personal and property damage.
9. Do not allow children to use the robot vacuum cleaner as a toy. Keep the children and pets as far away as possible during its working and cleaning.
10. Do not place the hair, clothing, fingers, etc. of the human close to the suction port and operating parts of the product.
11. The products must not be allowed to absorb any burning items such as cigarettes, matches, ash, and other items that may cause a fire.
12. The products must not be allowed to absorb any items such as stones, waste paper, nails, broken glass, etc. that may block the product.
13. Do not move the machine by the lidar cover as the handle to avoid damage of the lidar.
14. Please clean and maintain the machine and the charging stand during shutdown or power off.
15. Please clean the charging stand and the product with a dry soft towel and do not wipe any part of the product with any damp cloth, detergent, or liquid.
16. During the initial use of the product, please always observe the work of the robot vacuum cleaner to help deal with some pos-sible problems, such as the wound cables, the uneven area, and the area that may make the robot vacuum cleaner suspend-ing or stuck. And these areas can be set in the APP once they are found to prevent the robot vacuum cleaner from entering these areas the next time during work.
17. Please use the product strictly in accordance with the product instruction, and any loss or damage caused by improper use shall be borne by the user.

Battery and charging

1. Do not use any battery, charging stand or charger from a third party.

2. Please make sure that the voltage used is correct.

3. Do not disassemble, repair or modify the battery or the charging stand.

4. Do not place the charging stand and the main machine close to the heat source, such as heating radiators, induction cookers, ovens, etc.

5. Do not wipe anywhere of the product with a damp cloth or any liquid.

6. Do not discard used batteries at will and please give the professional recycling agency for treatment.

7. If the power cord is damaged or broken, please stop using it immediately, and contact us in time to select the proper channel
   to purchase the genuine power cord for replacement.

8. Please make sure that the main machine is turned off for transport and it is recommended to pack with the original box.

9. If the product is not used for a long time, please turn off the power after fully charged, turn off the main machine, st or e in a cool dry place, and charge it at least every 3 months to avoid damage to the battery.

Laser safety information
Lidar of the product complies with the IEC 60825-1:2014 (Third Edition)
Applied standard
GB4706.1-2005, GB4706.7-2014, GB4343.1-2009, GB17625.1-2012

FCC Caution.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.

RF warning for Mobile devices:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with a minimum distance 20cm between the radiator & your body.

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