Transcription of Visit www.carrier.com Troubleshooting Guide
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58 MVPV ariable-Speed 2-StageElectronic Condensing FurnaceTroubleshooting GuideNOTE:Read the entire instruction manual before starting CONSIDERATIONSINDEXPAGEI nstructions ..1 Example ..2 Sequence of Mode-Two Heat Mode ..3 Heat Pump Fan Mode ..4 Component Humidifier Mode ..5 Zone Mode ..5 Start Label/Fault Code Instructions ..7-8 Improper Operation With No Flashing Fault Code ..9 Not Enough Cooling Airflow ..10 High-Fire Temperature Rise Too Low (Cold Blow) ..11 LEDs 1, 2, 3, or 4 On LED2 Flashing ..12 Fault Code 11 No Fault in Recent History Display ..13 Fault Code 12 Blower Calibration Code 13 Limit Switch Code 14 Ignition Code 21 Invalid Model Code 22 Set Up Code 23 Invalid Blower Airflow Selection.
the quick motor test procedure at the end of the troubleshooting guide to isolate the problem or direct you to appropriate section in main troubleshooting guide. Once in a subsection, read the statement or question. A statement will have a number in the "GO TO" column. Do whatever the statement says, then proceed to step indicated in the "GO TO ...
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