Code Description Troubleshooting
E0 Inlet temp sensor fault Check sensor connector
E1 Outlet temp sensor fault Check sensor connector
E2 Low Voltage Check battery or harness
E3 High Voltage Check battery or power
E4 Pressure (system leakage) Check R134a leakage
F0 Disconnected/Blocked compressor Check cooling fan working or not / R134a overcharge
F1 Compressor driver overheat Check cooling fan working or not / ambient>55ºC
F2 Compressor driver wire low-voltage Check harness false connection or not
F3 Compressor driver over voltage Check wire false connection
F4 Compressor driver phase absence Check wire false connection
F5 Driver output overload Check wire false connection
F6 Driver output over current Check cooling fan working or not / ambient>55ºC
F7 Cooling fan fault Check cooling fan working
Ways to deal with the above code: Turn off the power and turn on the machine in 5 minutes If the fault is not
solved please refer to the maintenance manual or contact the local dealer
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