Mitsubishi P240 Air Conditioner User Manual


 
[ IX Troubleshooting ]
- 180 -
HWE09120 GB
1. Error Code
Logic error (Detail code 111)
2. Error definition and error detection method
H/W error
If only the H/W error logic circuit operates, and no identifiable error is detected.
3. Cause, Check method and remedy
In the case of 4220
In the case of 4225
Refer to section -6- "Inverter (YJMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 261)
1. Error Code
Low bus voltage at startup (Detail code 131)
2. Error definition and error detection method
When Vdc 160 V is detected just before the inverter operation.
3. Cause, check method and remedy
(1) Inverter main circuit failure
Same as detail code 108 of 4220 error
Refer to section -6- "Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.
4220
4225
(YJMU-A)
Cause Check method and remedy
(1) External noise
(2) INV board failure Refer to IX [4] -6- (2) [1].(page 263)
Cause Check method and remedy
(1) External noise
(2) Fan board failure Refer to IX [4] -6- (2) [6].(page 264)
4220
4225