Error code
Mitsubishi Electric PFD code 2503
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Meaning
Float switch trip: This error is detected if the float switch trips during operation and open-circuit (-40°C [-40°F] below) is detected continuously for 30 seconds. (Normal operation will be resumed in 20 seconds if open-circuit is no longer detected before the 20 seconds have elapsed.)
Member details
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View details as a memberPossible causes
(1) Faulty connector (CN31) insertion. (2) Broken or partially broken float switch wire (3) Float switch 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/pfd/2503