Carrier 12K Manual
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Contents
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10418. TroubleshootingSolving steps for typical malfunction(1) For indoor unita. Indoor air sensor is abnormalb. Indoor coil sensor is abnormalC. Outdoor coil sensor is abnormalIndoor air sensor is abnormalWhether the resistance of the air sensor is 10K No Replace indoor air sensorReplace indoor PCBYesIndoor coil sensor is abnormalWhether the resistance of indoor coil sensor is10KNo Replace indoor coil sensorReplace indoor PCBYesOutdoor coil sensor is abnormalWhether the resistance of outdoor coil sensor is10KNo Replace outdoor coil sensorReplace indoor PCBYes |
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