Mitsubishi PUHY-P250YJM-A - Error Code Lists

[ IX Troubleshooting ]
- 123 -
HWE1018A GB
IX Troubleshooting
[1] Error Code Lists
Error
Code
Prelimi-
nary
error
code
Error
(prelim-
inary)
detail
code
Error code definition
Searched
unit
Notes
0403
4300
4305
01
05
(Note)
Serial communication error O
1102 1202 - Discharge temperature fault O
1301 - - Low pressure fault O
1302 1402 - High pressure fault O
1500 1600 - Refrigerant overcharge O
- 1605 - Preliminary suction pressure fault O
2503 - - Float switch trip O
4102 4152 - Open phase O
4106 - - Transmission power supply fault O
4109 - - Fan fault O
4115 - - Power supply signal sync error O
4220
4225
(Note)
4320
4325
(Note)
[108] Abnormal bus voltage drop O
[109] Abnormal bus voltage rise O
[111] Logic error O
[131] Low bus voltage at startup O
4230 4330 - Heatsink overheat protection O
4240 4340 - Overload protection O
4250
4255
(Note)
4350
4355
(Note)
[101] IPM error O
[104] Short-circuited IPM/Ground fault O
[105] Overcurrent error due to short-circuited motor O
[106] Instantaneous overcurrent O
[107] Overcurrent O
4260 - - Heatsink overheat protection at startup O
5101 1202 -
Temperature sensor
fault
Return air temperature (TH21) O
5102 1217 -
Temperature sensor
fault
Indoor unit pipe temperature
(TH22)
O
HIC bypass circuit outlet tem-
perature (TH2)
O
5103 1205 00
Temperature sensor
fault
Indoor unit gas-side pipe tem-
perature (TH23)
O
Pipe temperature at heatex-
changer outlet (TH3)
O
5104 1202 -
Temperature sensor
fault
Supply air temperature (TH24) O
Outdoor unit discharge temper-
ature (TH4)
O
Outdoor unit
Indoor unit
Remote controller