Error Codes [5305, 5306] Detail Code 135; Error Codes [5305, 5306] Detail Code 136 - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

[7-7 Error Code Definitions and Solutions: Codes [5000 - 5999] ]
7-7-10 Error Code [5301] Detail Code 127
1. Error code definition
DCL electric current circuit error (Detail code 127)(outdoor unit)
2. Error definition and error detection method
When an abnormal value in the DCL electric current sensor detection circuit is detected
3. Cause, check method and remedy
(1) Contact failure
(2) Incorrect installation
(3) INV board failure
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems]
7-7-11

Error Codes [5305, 5306] Detail Code 135

1. Error code definition
Current sensor fault (Detail code 135)
2. Error definition and error detection method
Detection of output current below 0.2 Arms for 10 continuous seconds while fan motor is in operation
3. Cause, check method and remedy
(1) Open output phase of fan board
(2) Fan motor error
(3) Fan board failure
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems]
BS_07_C
Cause
Cause
Check method and remedy
Check the wiring between CNCT1A and CNCT1B.
Check the wiring on the SC-L terminal.
If the problem persists after restart operation, replace the in-
verter board.
Check method and remedy
Check the output wiring from the fan board for proper con-
nection.
Refer to the following page(s).
[8-9-7 Checking the Fan Motor for Ground Fault and Coil Re-
sistance Problems]
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]
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