Error code
Mitsubishi Electric PQHY/PQRY code 2503
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Meaning
Drain sensor (Thd) fault: If the open or short circuit of the thermistor has been detected for 30 seconds, this condition is considered to be a preliminary error, and the unit goes into the 3-minute restart delay mode. If another episode of the above condition is detected during the preliminary error, this is considered a drain sensor error.(If the short or open circuit of the thermistor is no longer detected, normal operation will be restored in 3 minutes.) This error is detected when one of the following conditions
Member details
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View details as a memberPossible causes
(1) Faulty connector (CN31) insertion. (2) Broken or semi-broken thermistor wire (3) Thermistor failure (4) Indoor unit control board (error detection circuit) failure
Solution
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/pqhy-pqry/2503