Error Code [4260] - Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook

[7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ]
7-6-31

Error Code [4260]

1. Error code definition
Heatsink overheat protection at startup
2. Error definition and error detection method
Outdoor unit
When heatsink temperature (THHS) remains at or above TOH for 10 minutes or longer after inverter startup
models
INV35Y, 42Y
INV37YC
Hydro unit
When heatsink temperature (THHS) remains at or above 100°C for 10 minutes or longer after inverter startup
3. Cause, check method and remedy
Same as 4230 error
BS_07_E
TOH
100˚C
94˚C
49
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