Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 135

[7-1 Error Code and Preliminary Error Code Lists ]
Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
[0]
[101]
[104]
4250 4350
[105]
4255 4355
4256 4356
[106]
(Note) (Note)
[107]
[121]
[122]
4250 4350 [128]
4255 4355
[137]
4256 4356
4260 -
5101 1202
5102 1217
5103 1205 00
5104 1202
5105 1204
5106 1216
5107 1221
5115 1203
[0]
5110 1214
01
[0]
5120 1248
01
5201 -
2
- chapter 7
Error code definition
Backup operation
IPM error
Short-circuited IPM/Ground fault
Overcurrent error due to short-circuited motor
Instantaneous overcurrent (S/W detection)
Overcurrent (effective value)(S/W detection)
DCL overcurrent breaker error (hardware detection)
DCL overcurrent breaker error (software detection)
DCL overcurrent breaker error (hardware detection)
Step-out fault
- Heatsink overheat protection at startup
- Temperature sensor fault
- Temperature sensor fault
Temperature sensor fault
- Temperature sensor fault
- Temperature sensor fault
- Temperature sensor fault
- Temperature sensor fault
- Temperature sensor fault
Backup operation
Temperature sensor fault
Backup operation
Temperature sensor fault
- High-pressure sensor fault (63HS1)
Return air temperature
(TH21)
Indoor unit pipe temperature
(TH22)
HIC bypass circuit outlet
temperature (TH2)
Indoor unit gas-side pipe
temperature (TH23)
Pipe temperature at heatex-
changer outlet (TH3)
Supply air temperature
(TH24)
Outdoor unit discharge tem-
perature (TH4)
Accumulator inlet tempera-
ture (TH5)
HIC circuit outlet tempera-
ture (TH6)
Outside temperature (TH7)
Shell bottom temperature
(TH15)
Heatsink temperature
(THHS)
DCL(THL)
Searched unit
Notes
O
O (page 23)
O (page 24)
O (page 25)
O (page 25)
O (page 25)
O (page 27)
O (page 27)
O (page 27)
O (page 27)
O (page 28)
O (page 29)
O (page 29)
O (page 30)
O (page 29)
O (page 30)
O (page 29)
O (page 30)
O (page 30)
O (page 30)
O (page 30)
O (page 30)
O
O (page 31)
O
O (page 32)
O (page 32)
BS_07_C