[7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ]
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HWE12050 GB
7-6-16 Error Codes [4250, 4255, 4256] Detail Code 105
1. Error code definition
Overcurrent error due to short-circuited motor (Detail code 105)
2. Error definition and error detection method
When a short is detected on the load side just before starting the inverter operation.
3. Cause, Check method and remedy
In the case of 4250
In the case of 4255 and 4256
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 234)
7-6-17 Error Code [4260]
1. Error code definition
Heatsink overheat protection at startup
2. Error definition and error detection method
The heatsink temperature (THHS) remains at or above 105°C [221°F] for 10 minutes or more at inverter startup.
3. Cause, check method and remedy
Same as 4230 error
Cause Check method and remedy
(1) Short - circuited compressor Refer to the following page(s).
[8-9-3 Checking the Compressor for Ground Fault
and Coil Resistance Problems](page 236)
(2) Output wiring Check for a short circuit.
Cause Check method and remedy
(1) Short - circuited fan motor Refer to the following page(s).
[8-9-6 Checking the Fan Motor for Ground Fault and
Coil Resistance Problems](page 237)
(2) Output wiring Check for a short circuit.
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