Error code
Mitsubishi Electric PUY/PUZ code U2
No approved translation for this record yet; showing the original text.
Meaning
(TH4: 1102) (TH32: 1132): High discharging temperature High comp.shell temperature (1) Abnormal if discharge temperature 125:[257˚F] thermistor (TH4) exceeds 110: or [230˚F] continuously for 5 minutes. Abnormal if condenser/evaporator tem40: perature thermistor (TH5) exceeds [104˚F] during defrosting and discharge temperature thermistor (TH4) exceeds 110: [230˚F]. (2) Abnormal if discharge superheat (Cooling: TH4 – TH5 / Heating: TH4 – TH6) increases. All the conditions in A or B are detected simultaneously for 10 minute
Member details
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View details as a memberPossible causes
(1) Overheated compressor operation caused by shortage of refrigerant (2) Defective operation of stop valve (3) Defective thermistor (4) Defective outdoor controller board (5) Defective action of linear expansion valve
Solution
Solution steps are not shared for faults that may be dangerous.
No do-it-yourself solution is given for this fault. For your safety, call an authorised service.
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