Haier AU052FPERA - 16. Troubleshooting; [20-23] Temperature sensor failure; [122] Radiator temp. sensor of transducer abnormal

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16. Troubleshooting
[20-23] Temperature sensor failure
If sensor terminal is xed well Reconnect
Replace sensor
If sensor resistor
/characteristic is proper
Check if PCB is faulty,
if yes, replace it
No
No
Check if connection between temp.
sensor and inverter board
Measure if temp. sensor resistor is
normal
Replace inverter control board
Adjust connection
Replace sensor
Yes
Yes
[122] Radiator temp. sensor of transducer abnormal