Mitsubishi Electric PUHZ-SHW80YAA Service Manual page 20

Check code Abnormal point and detection method
Open/short of outdoor unit thermistors
(TH3, TH32 (PUHZ-SHW only), TH6, TH7,
and TH8)
Temperature of heat sink
Power module
Too low superheat due to low discharge
temperature
:
Outdoor fan motor
OCH651
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Judgment and action
Cause
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