Error code

Mitsubishi Electric CMB code 2501

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Meaning

Water pump (pump1, 2) fault: When clogged water circuit or water leaks from the water circuit is detected, the water pump is stopped for protection. When the following statuses are detected, the pump will be stopped. The revolutions of the water pump exceeds the specific range. Pump discharge port: TH34, TH35 ≥ 53ºC [127ºF]

Member details

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Possible causes

(1) Water circuit is clogged. (2) Water leaks from the water circuit (3) Air infiltration through the air vent (4) Broken or semi-broken thermistor (5) Thermistor failure (6) Semi-broken pump wire

Solution

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