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12
‘ERROR’ and WARNING INDICATORS
e2
e3
Error Code Problem Cause Corrective Action
High pressure Blocked air filter
Blocked / kinked exhaust duct
Ambient temperature is too high
Ensure exhaust duct is not
blocked / kinked
Do not use the air conditioner if
ambient temperature is higher
than 113℉
Low pressure
Sensor
Compressor
Cond Fan Motor
Temperature sensor has
an electric short.
Compressor
inoperative
Cond Fan motor
inoperative
Exchange temperature sensor
Check wiring
Check capacitor
Check Magnet switch
Check compressor
Check wiring
Check capacitor
Check Magnet switch
Check Cond Fan Motor
Verify Electrical
Refrigerant may be low
Clean Filters and Coils
Verify Power (Voltage/Amps)
Check Filters Evaporator/Condenser
Check Evaporator/Condenser Coils
Check refrigerant level and/or
refrigerant leak.
E4
E5
E6
Water full
Heater
Condensate tank is full
Heater over current
Check the water pump or water
hose bended
Check wiring
Check Magnet switch
Check heater
Eva Fan Motor Eva Fan motor
inoperative
Check wiring
Check capacitor
Check Magnet switch
Check Eva Fan Motor
Anti-Freezing
alarm
Reverse phase
Over Heat
Evaporator is below 25 ℉
(-4 ℃) due to being used in a
low ambient temperature area.
The 3 phase circuit is not
correctly connected.
Heater temperature is
high
Do not use the unit in an ambient
temperature less than 72℉ (22℃).
Check refrigerant level.
Check wiring
Check Eva Fan or ambient
temperature too high
Error
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