16
E 15
Inlet temperature sensor
fault
Connection fault Check the connection
Inlet temperature sensor fault Replace the inlet temperature
sensor
E 16 Evaporator sensor fault
Evaporator fault Check the connection
Evaporator temperature
sensor fault
Replace the Evaporator
temperature sensor
E 18
Compressor exhaust
sensor fault
Connection fault
Compressor exhaust sensor
fault
Check the connection
Replace the compressor exhaust
sensor
E 21 Ambient sensor fault
Connection fault Check the connection
Ambient temperature sensor
fault
Replace the ambient temperature
sensor
E 23
Cooling out water
temperature over low
protection
Connection fault Check the connection
Outlet temperature sensor
fault
Replace the outlet temperature
sensor
The water flow is too low Check pump and water flow
E 27
Outlet temperature sensor
fault
Connection fault Check the connection
Outlet temperature sensor
fault
Replace the outlet temperature
sensor
E 28 Fan motor fault
The PCB dial code is wrong Change to the correct dial code
E 29
Return gas temperature
sensor fault
Connection fault Check the connection
Return gas temperature
sensor fault
Replace the return gas
temperature sensor
E 32
Heating out water
temperature over high
protection
Connection fault Check the connection
Outlet temperature sensor
fault
Replace the outlet temperature
sensor
The water flow is too low Check pump and water flow
E 33
Cooling model conderser
temperature is too high
protection
Conderser fault Check the connection
Conderser temperature
sensor fault
Replace the conderser
temperature sensor
Motor speed is too low Replace motor
The fan blades damage Replace the fan blades
Condenser aging Clean or replace the condenser
EEV blockage or malfunction Check for cleaning or replacement
E 34 IPM too high temperature
Fan motor damaged Change the fan motor
The fan blades damage Replace the fan blades
PCB fault replace the PCB
E 35 Overcurrent protection
The current is too high Check the power supplier
Water temperature is too high
E 20 **
Frequency module fault IPM module has problem replace the PCB
20
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