Troubleshooting 53
8.18 PC 45 (Outdoor unit IR chip drive failure diagnosis and solution)
Description: When the IR chip detects its own parameter error, the LED displays the failure code when power on.
Recommended parts to prepare:
• Inverter module PCB.
Troubleshooting and repair:
Power off,then restart the unit
2 minutes later.
Replace the inverter module
PCB.
Yes
8.19 (ODU)CE (Automatic correction of wiring/piping error)
Press the “check switch” on the outdoor unit PCB board 5 seconds until LED display “CE”, which mean this function
is working, Approximately 5-10 minutes after the switch is pressed, the “CE” disappear the wiring/piping error will be
corrected, and wiring/piping is properly connected.
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