Error code

Mitsubishi Electric PFD/PUHY code 4230

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Meaning

Heatsink overheat protection: When the heat sink temperature (THHS) remains at or above 100°C [212°F] is detected.

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

(1) Fan board failure (2) Outdoor unit fan failure (3) Air passage blockage (4) THHS failure 1)

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