Error Code [4230] Detail Code 126 - Mitsubishi Electric PUHY-P200 Service Handbook

[7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ]
7-6-16

Error Code [4230] Detail Code 126

1. Error code definition
DCL temperature fault (Detail code 126)(outdoor unit)
2. Error definition and error detection method
When DCL temperature that equals or exceeds 170˚C is detected (applicable to INV30YC only)
3. Cause, check method and remedy
Cause
(1) Fan inverter board fault
(2) Outdoor unit fan fault
(3) DCL temperature sen-
sor connector contact
failure
(4) DCL error
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 264)
HWE14040
Check method and remedy
Refer to the following page(s). [8-9-8 Checking the Fan Board Error Detection Circuit
at No Load](page 269)
Refer to the following page(s). [8-9-9 Checking the Fan Inverter for Damage at No
Load](page 270)
Refer to the following page(s). [8-9-10 Checking the Fan Inverter for Damage with
Load](page 271)
Check the outdoor unit fan for proper operation.
If there is a problem with fan operation, check the fan motor. Refer to the following
page(s). [8-9-7 Checking the Fan Motor for Ground Fault and Coil Resistance Prob-
lems](page 269)
Check the connector (CNTH) on the inverter board for proper connection.
If the problem persists after restart, replace the DCL.
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