Error Code Lists - Mitsubishi Electric PQHY-P72TYHMU-A Service Handbook

[ IX Troubleshooting ]
IX Troubleshooting

[1] Error Code Lists

Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
0403 4300 01
1102 1202 -
1301 - -
1302 1402 -
1500 1600 -
- 1605 -
2000 2100 -
2134 2234 -
2135 2235 -
2500 - -
2502 - -
2503 - -
2600 - -
2601 - -
4102 4152 -
4106 - -
4115 - -
4116 - -
[108]
[109]
4220 4320
[111]
[131]
4230 4330 -
4240 4340 -
[101]
[102]
[103]
4250 4350 [104]
[105]
[106]
[107]
4260 - -
5101 1202 -
HWE09080
Error code definition
Serial communication error
Discharge temperature fault
Low pressure fault
High pressure fault
Refrigerant overcharge
Preliminary suction pressure fault
Pump interlock error
Abnormal water temperature
Water heat exchanger freeze up
Drain sensor submergence
Drain pump fault
Drain sensor (Thd) fault
Water leakage
Water supply cutoff
Open phase
Transmission power supply fault
Power supply signal sync error
RPM error/Motor error
Abnormal bus voltage drop
Abnormal bus voltage rise
Logic error
Low bus voltage at startup
Heatsink overheat protection
Overload protection
IPM error
ACCT overcurrent (H/W detection)
DCCT overcurrent (H/W detection)
Short-circuited IPM/Ground fault
Overcurrent error due to short-circuited motor
Instantaneous overcurrent
Overcurrent
Heatsink overheat protection at startup
Return air temperature
(TH21)
Temperature sensor
fault
OA processing unit inlet
temperature (TH4)
- 227 -
Searched unit
Notes
O
O
O
O
O
O
O
O
O
O
O O
O O
O
O
O
O
O
O O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
GB