FANMASTER WPC-9000 3 Ton Portable Air Conditioner Owner’s Manual

June 12, 2024
Fanmaster

FANMASTER WPC-9000 3 Ton Portable Air Conditioner

Product Information

Product Name: Model WPC-9000
Product Type: Air Conditioner

Product Usage Instructions

Self-Diagnostic Alarm Codes

Alarm Display Problem Cause Corrective Action

Frost prevention sensor and Abnormal temperature sensor
value| Indoor heat exchanger temperature too low| Ensure ambient temperature is not lower than the specified
limit. Clean air filter and ensure exhaust duct is not blocked or
kinked.
Refrigerant high pressure switch| Blocked air filter, blocked/kinked exhaust duct, or ambient
temperature too high| Clean air filter and ensure exhaust duct is not blocked or
kinked. Do not use the air conditioner if ambient temperature is
higher than the specified limit.
Abnormal temperature sensor value TH1(Outlet) temperature
sensor has a loose or broken connection| Contact a qualified service agent| Contact a qualified service agent for repair.
Abnormal temperature sensor value TH2(Inlet) temperature sensor
has a loose or broken connection| Contact a qualified service agent| Contact a qualified service agent for repair.
Compressor overloaded Ambient temperature is too high Unstable
voltage supply Defective compressor| Do not use the air conditioner if ambient temperature is higher
than the specified limit. Replace compressor if necessary.| Do not use the air conditioner if ambient temperature is higher
than the specified limit. Replace compressor if necessary.
Condensate water level alarm Drain pump alarm| Condensate tank is full Drain pump defective or improper hose
connection (including kink or blockage)| Empty the water tank. After installation of the water tank,
press the SPOT/COOL or ROOM/COOL button to resume operation. Check
the hose connection and hose. Replace drain pump if necessary.

Troubleshooting Chart

Symptom Possible Cause(s) Corrective Action
Water leakage High water level in condensate tank 1. Remove blockage from

drain hose. 2. Remove any object stuck
underneath the black panel under the water tank.
The unit doesn’t work| 1. Power supply issue. 2. Power cord not connected.| 1. Reset the circuit breaker and restart the unit. 2. Connect
the power cord.
No cold air flows from the cold air outlet| 1. Dirty filter. 2. Unit turned off and on quickly.| 1. Clean the filter if dirty and not regularly cleaned. 2. Wait
2 minutes after turning off the unit before turning it back
on.
Water flow can be heard after compressor shuts off| No specific cause| It is common to hear coolant flowing after the unit shuts
off.
Alarm displays FT with less than half of condensate water in
the tank| Spring is possibly broken| Replace the spring. Refer to the Maintenance page (Page 8) for
instructions.

SELF-DIAGNOSTIC ALARM CODES

Table 1 – Alarm Codes

Alarm Display Problem Cause Corrective Action

| Frost prevention sensor and Abnormal temperature sensor value| Indoor heat exchanger temperature too low TH3 temperature sensor has a loose or broken connection| Do not use the air conditioner if ambient temperature is lower than 18°C (64°F)

Contact a qualified service agent

| Refrigerant high pressure switch| Blocked air filter

Blocked / kinked exhaust duct

Ambient temperature is too high

| Clean air filter

Ensure exhaust duct is not blocked / kinked

Do not use the air conditioner if ambient temperature is higher than 45°C (113°F)

| Abnormal temperature sensor value| TH1(Outlet) temperature sensor has a loose or broken connection|

Contact a qualified service agent

| Abnormal temperature sensor value| TH2(Inlet) temperature sensor has a loose or broken connection| Contact a qualified service agent

| Compressor overloaded| Ambient temperature is too high

Unstable voltage supply

Defective compressor

| Do not use the air conditioner if ambient temperature is higher than 45°C (113°F)

Contact a qualified service agent Replace compressor

| Condensate water level alarm| Condensate tank is full| Empty the water tank

After installation of the water tank, press the SPOT/ COOL or ROOM/COOL button to resume operation

| Drain pump alarm| Drain pump defective or improper hose connection (including kink or blockage)| Check the hose connection and hose Replace drain pump

Troubleshooting chart

Symptom Possible Cause(s) Corrective Action
Water leakage High water level in condensate tank 1. Remove blockage from

drain hose
 |  | 2. Remove any object stuck undeerneath of the black panel nuder the water tank
The unit doesn’t work| 1. Check the power supply to verify that power is available to the unit| 1. Reset the circuit breaker and restart the unit
 | 2. Verify that the power cord is connected| 2. Connect power cord
No cold air flows from the cold air outlet| 1. Ambient air cannot be properly cooled if the filter is dirty and not regularly cleaned| 1. Clean the filter
 | 2. Compressor will not work if the unit is turned off and on quickly.| 2. Wait 2 minutes after unit is turned off before turning the unit back on.
 | ****

3. The ambient air temperature may be too high

| ****

3. The temperature of the compressor can be higher when the ambient temperature is too high. The compressor will not work unless the ambient air temperature is within the acceptable operating range of the unit

Water flow can be heard after compressor shuts off| No cause| Common to hear coolant flowing after unit shuts off
Alarm displays “FT”with less than half of condensate water in the tank| Spring is possibly broken| Replace a new spring (See Maintenance page 8)
Spring is possibly broken|  |

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