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Inverter Air-to-Water Heat Pump
SIM Error Codes
Error Code Error Type Notes
E11 HP Protection No Alarm
E12 LP Protection Alarm
E04 Electric Overheat Protection No Alarm
E032 Flow Switch Protection No Alarm
E19 Primary Anti-freeze Protection No Alarm
E29 Secondary Anti-freezing Protection Alarm
P182 Exhaust Overtemp No Alarm
E11 HP Protection 3+ Alarm
E12 LP Protection 3+ Alarm
E04 Electric Overheat Protection 3+ Alarm
E171 Antifreeze 3+ Alarm
P182 Exhaust Overtemp 3+ Alarm
E032 Flow Switch Protection 3+ Alarm
P01 Inlet Temp Sensor Fault
The wire controller will alarm, and the temperature of inlet water in main
interface, status interface and curve interface will display ‘-.-’
P02 Outlet Temp Sensor Fault
The wire controller won’t alarm, and the temperature of outlet water in
main interface, status interface and curve interface will display ‘-.-’
P181 Exhaust temp Sensor
The wire controller will alarm, and the exhaust temperature in status
interface will display‘-.-’
P03 Water Tank Temp Sensor
The wire controller will alarm, and the temperature of tank water in main
interface, status interface and will display ‘-.-’
P17 Suction temp Sensor
The wire controller won’t alarm, and the suction temperature in status
interface will display ‘-.-’
P153 Coil temp Sensor
The wire controller won’t alarm, and the coil temperature in status interface
will display ‘-.-’
P04 AT Sensor Fault
The wire controller will alarm, and the ambient temperature in status
interface will display‘-.-’
PP1 Exhaust Pressure Sensor fault The wire controller won’t alarm, and the exhaust pressure in status
PP2 Suction Pressure Sensor fault
The wire controller won’t alarm, and the suction pressure in status
interface will display‘-.-’
TP Low AT Protection Alarm
F00 IPM Overcurrent Shutdown Fault Alarm
F01 Compressor Activation Failure Alarm
E051 Compressor Overcurrent Shutdown Fault Alarm
F15 Input voltage Lacking Phase Alarm
F16 IPM Current Sample Fault Alarm
F26 IGBT Power Device Overheat Fault Alarm
F03 PFC Fault Alarm
F05 DC Bus Overload Alarm
F06 DC Bus Underload Alarm
F07 AC Input Underload Alarm
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