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Error code

Mitsubishi Electric klima code 2500

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Meaning

Drain sensor submergence (Models with a drain sensor): 1) If an immersion of the drain sensor in the water is detected while the unit is in any mode other than the Cool/Dry mode and when the drain pump goes from OFF to ON, this condition is considered preliminary water leakage. While this error is being detected, humidifier output cannot be turned on.(Applicable to the units manufactured in or after October 1996) 2) If the immersion of the sensor in the water is detected four consecutive times at an hour interval, this is considered water leakage, a | Drain sensor submergence (Models with a float switch): 1) If an immersion of the float switch in the water is detected while the unit is in any mode other than the Cool/Dry mode and when the drain pump goes from OFF to ON, this condition is considered preliminary water leakage. While this error is being detected, humidifier output cannot be turned on. 2) If the drain pump turns on within one hour after preliminary water leakage is detected and the above-mentioned condition is detected two consecutive times, water leakage error water leakage is detec

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Possible causes

(1) Drain water drainage problem ŒClogged drain pump ŒClogged drain piping ŒBackflow of drain water from other units (2) Adhesion of water drops to the drain sensor 1) ŒTrickling of water along the lead wire (2) ŒRippling of drain water caused by filter clogging (3) Failure of the relay circuit for the solenoid valve (4) Indoor unit control board failure ŒDrain sensor circuit failure (2) Stuck float switch Check for slime in the moving parts of the float switch. (3) Float switch failure

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