Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 169

[7-7 Error Code Definitions and Solutions: Codes [5000 - 5999] ]
7-7-12 Error Codes [5305, 5306] Detail Code 136
1. Error code definition
Current sensor/circuit fault (Detail code 136)
2. Error definition and error detection method
Detection of abnormal value by the current detection circuit before the startup of fan motor
3. Cause, check method and remedy
(1) Fan board fault
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems]
36
- chapter 7
Cause Check method and remedy
Refer to the following page(s).
[8-9-8 Checking the Fan Board Error Detection Circuit at No
Load]
[8-9-9 Checking the Fan Board for Damage at No Load]
[8-9-10 Checking the Fan Board for Damage with Load]
BS_07_C