Installation Manual 2013 Riv 2 31
Fault / Error Codes Continued
E17 TC Electric heater temperature sensor failure 1 - Check TC Electric heater temperature
sensor
2 - Check indoor PCB
E18 EEPROM Failure 1 - Check EEPROM
2 - Check indoor PCB
E19 Inverter current detector fault 1 - Check detector contact cables are firmly
connected and not damaged
2 - Check Outdoor PCB
E20 Fixed speed compressor current detector fault 1 - Check detector contact cables are firmly
connected and not damaged
2 - Check Outdoor PCB
E21 Inverter DC over voltage fault 1 - Check drive board not damaged
2 - Inverter compressor
E22 Inverter DC low voltage fault 1 - Check drive board not damaged
2 - Inverter compressor
E23 Inverter AC over voltage fault 1 - Check drive board not damaged
2 - Inverter compressor
E24 Compressor out of step 1 - Check drive board not damaged
2 - Inverter compressor
E25 One phase (speed constructive pulse detection method) 1 -Check drive board is not damaged
E26 One phase (speed constructive pulse detection method) 1 -Check drive board is not damaged
E27 Inverter IPM fault (edge) 1 - Check drive board is not damaged
E28 Inverter IPM fault (level) 1 - Check drive board is not damaged
E29 PFC IPM Fault (edge) 1 - Check drive board is not damaged
E30 PFC IPM Fault (level) 1 - Check drive board is not damaged
E31 P PFC input over current detection fault 1 - Check drive board is not damaged
E32 DC Voltage protection fault 1 - Check drive board is not damaged
E33 PFC Low voltage protection fault 1 - Check drive board is not damaged
E34 AD Offset anomaly detection fault 1 - Check drive board is not damaged
E35 PWM Logis setting failure 1 - Check drive board is not damaged
E36 PWM Initialisation failure 1 - Check drive board is not damaged
E37 PFC PWM Logic setting failure 1 - Check drive board is not damaged
E38 PFC PWM Initialisation failure 1 - Check drive board is not damaged
E39 Temperature anomaly 1 - Check drive board is not damaged
E40 Shunt resistance control unbalance fault 1 - Check drive board is not damaged
E41 Communication failure 1 - Check drive board is not damaged
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