Page 75
Corp. 1244-L9
Compressor will not
start in either
heating or cooling
modes.
Either outdoor control has malfunction,
current limiting circuit protector failed,
or relay loop parallel capacitor leakage.
Indoor unit leaking
water.
Abnormal sound or
vibration.
Verify wiring using unit wiring diagram and
correct.
Condensate line is blocked.
Clear blockage.
Condensate line insulation is missing
or loose.
Repair missing insulation.
Indoor fan motor assembly is loose or
in contact with other components.
Tighten fan motor assembly to unit or adjust
position of assembly.
Foreign object located in unit.
Locate foreign object and remove.
Compressor vibrates.
Adjust compressor mounting hardware.
Line set vibration.
Verify line set is secure and not in contact with
external object.
Outdoor unit fan or coil grille(s) not
secure.
Secure outdoor unit fan or coil grille(s).
Abnormal compressor noise.
Verify system charge and compressor input
voltage. If okay, replace compressor.
Adjust air temperature setting.
Replace outdoor control.
Incorrect temperature setting.
Loose or incorrectly installed compressor
harness.
HEAT PUMP FAILED START UP (CONTINUED)
FIGURE 85
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