Error code
Mitsubishi Electric PUZ code 1302
No approved translation for this record yet; showing the original text.
Meaning
63H worked) Abnormal if high-pressure switch 63H worked (*) during compressor operation. *4.15 MPa [602PSIG] 63H: High-pressure switch | Abnormal pressure of 63HS Abnormal if 63HS detects 14.5 PSIG [0.1 MPa] or less. Detection is inoperative for 3 minutes after compressor starting and 3 minutes after and during defrosting. 63HS: High pressure sensor
Member details
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View details as a memberPossible causes
(2) Clogged filter of indoor unit (3) Decreased airflow caused by dirt of indoor fan (4) Dirt of indoor heat exchanger (5) Locked indoor fan motor (6) Malfunction of indoor fan motor (7) Defective operation of stop valve (Not full open) (8) Clogged or broken pipe (9) Locked outdoor fan motor (0) Malfunction of outdoor fan motor (1) Short cycle of outdoor unit (2) Dirt of outdoor heat exchanger (3) Decreased airflow caused by defective inspection of outside temperature thermistor (It detects lower temperature than actual temperature.) (4) Disconnection or contact failure of connector (63H) on outdoor controller board (5) Disconnection or contact failure of 63H connection (6) Defective outdoor controller board (7) Defective action of linear expansion valve (8) Malfunction of fan driving circuit (1) Disconnection or contact failure of connector (63HS) on the outdoor controller circuit board (2) Defective pressure sensor (3) Defective outdoor controller circuit board
Solution
Solution steps are not shared for faults that may be dangerous.
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/puz/1302