Mitsubishi Electronics P120Y(T)HMU-A Air Conditioner User Manual


 
[ IX Troubleshooting ]
- 212 -
HWE0803A GB
1. Error Code
ACCT overcurrent (H/W detection) (Detail code 102)
DCCT overcurrent (H/W detection) (Detail code 103)
Instantaneous overcurrent (Detail code 106)
Overcurrent (Detail code 107)
2. Error definition and error detection method
P72 model
Overcurrent 88 Apeak or 42 Arms and above is detected by the current sensor.
P96 and P120 models
Overcurrent 128 Apeak or 60 Arms and above is detected by the current sensor.
3. Cause, check method and remedy
Refer to section -7- "Inverter (THMU-A)" under part [4] Troubleshooting Principal Parts for error codes related to the
inverter.(page 293)
4250 (THMU-A)
Cause Check method and remedy
(1) Inverter output related Refer to IX [4] -7- (2) [1] - [4].(page 295)