Error Code And Preliminary Error Code Lists - Mitsubishi Electric R410A Service Handbook

[7-1 Error Code and Preliminary Error Code Lists ]

7 Troubleshooting Using Error Codes
7-1

Error Code and Preliminary Error Code Lists

Error
Prelimi-
(prelim-
Error nary
inary)
Code error
detail
code
code
1
4300
5
0403 4305
6
4306
(Note)
0404 - -
0900 - -
1102 1202 -
1301 - -
1302 1402 -
1500 1600 -
- 1605 -
2500 - -
2502 - -
2503 - -
2600 - -
2601 - -
4102 4152 -
4106 - -
4109 - -
4115 - -
4116 - -
4121 4171
4124 -
[0]
[108]
4220 4320
4225 4325
[109]
4226 4326
(Note) (Note)
[111]
[131]
4230 4330 -
4240 4340 -
HWE14080
Error code definition
Serial communication error/Panel communication error
Indoor unit EEPROM abnormality
Test run
Discharge temperature fault
Low pressure fault
High pressure fault
Refrigerant overcharge
Preliminary suction pressure fault
Drain sensor submergence
Drain pump fault
Drain sensor (Thd) fault
Water leakage
Water supply cutoff
Open phase
Transmission power supply fault
Fan operation status detection error
Power supply signal sync error
RPM error/Motor error
Function setting error
Electric system not operate due to damper abnormality
Backup operation
Abnormal bus voltage drop
Abnormal bus voltage rise
Logic error
Low bus voltage at startup
Heatsink overheat protection
Overload protection
- 151 -
Searched unit
Notes
O O (page 156)
O (page 157)
O
O (page 158)
O (page 159)
O (page 160)
O (page 161)
O
O (page 162)
O (page 164)
O O (page 166)
O (page 167)
O (page 167)
O (page 168)
O (page 170)
O (page 170)
O (page 171)
O O (page 172)
O (page 172)
O (page 173)
O
O (page 174)
O (page 178)
O (page 179)
O (page 181)
O (page 181)
O (page 183)
GB