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Error code

Mitsubishi Electric PURY code 4260

No approved translation for this record yet; showing the original text.

Meaning

Heatsink overheat protection at startup: When heatsink temperature (THHS) remains at or above TOH for 10 minutes or longer after inverter startup models TOH INV20Y 100°C INV30YC 94°C

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Possible causes

(1) Thermistor failure (2) Connector contact failure (3) Disconnected wire or partial disconnected thermistor wire (4) Unattached thermistor or contact failure (5) Indoor board (detection circuit) failure (1) Error code definition 5103 Heat exchanger outlet temperature sensor (TH3) fault (Outdoor (2) Error definition and error detection method When a short (high temperature intake) or an open (low temperature the outdoor unit stops, turns to anti-restart mode for 3 minutes, When a short or an open is detected again (the second detection) stops, turns to anti-restart mode for 3 minutes, and restarts in range. When a short or an open is detected again (the third detection) makes an error stop. When a short or an open of the thermistor is detected just before error stop, and the error code "5102", "5103", 5104", "5105", During 3-minute antirestart mode, preliminary errors will be displayed A short or an open described above is not detected for 10 minutes minutes after defrost mode. (2) Pinched lead wire (3) Torn wire coating (4) A pin on the male connector is missing or contact failure (5) Disconnected wire (6) Thermistor input circuit failure on the control board

Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.

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