Error Code And Preliminary Error Code Lists - Mitsubishi Electric PUHY-HP72 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 - -
3121 - -
3511 3611 -
3512 3612 -
4102 4152 -
4106 - -
4109 - -
4114 - -
4116 - -
4121 4171
4124 -
[0]
[108]
[109]
[110]
4220 4320
4225 4325
[111]
4226 4326
(Note) (Note)
[112]
[123]
[129]
[131]
HWE18240_GB
Error code definition
Serial communication error
Indoor unit control-related errors
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
Out-of-range outside air temperature
Refrigerant overcooling
Cooling fan locking
Open phase
Transmission power supply fault
Indoor unit fan operation error
Indoor unit fan motor error
RPM error/Motor error
Function setting error
Electric system not operate due to damper abnormality
Backup operation
Abnormal bus voltage drop (Software detection) (YNU)
Abnormal bus voltage drop (Software detection) (TNU)
Abnormal bus voltage rise (Software detection)
VDC error (Hardware detection)
Logic error
Logic error
Voltage boost control error
Control power-supply fault
Low bus voltage at startup (YNU)
Low bus voltage at startup (TNU)
Searched unit
Notes
O O (page 6)
O (page 7)
O
O (page 8)
O (page 9)
O (page 10)
O (page 11)
O
O (page 12)
O (page 14)
O O (page 16)
O (page 17)
O (page 17)
O (page 18)
O (page 19)
O (page 20)
O (page 21)
O (page 22)
O (page 22)
O (page 23)
O O (page 23)
O (page 23)
O (page 24)
O
O (page 25)
O (page 26)
O (page 27)
O (page 27)
O (page 28)
O (page 28)
O (page 28)
O (page 29)
O (page 29)
O (page 29)
chapter 7 -
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