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PROBLEM POSSIBLE CAUSE TO CORRECT
Replace selector switch. Replace relay.
Selector Switch Relay
PROBLEM POSSIBLE CAUSE TO CORRECT
Refer to Installation Instructions for proper installation.
Adjust motor mount to attain proper fan blade and blower
wheel clearance.
Check for deteriorated compressor grommets, or missing
mounting parts.
Adjust and tighten as required.
Poor installation.
Fan blade striking chassis.
Compressor vibrating.
Loose cabinet parts, improperly
mounted components, tubing
rubbing.
Outside water
leaks.
Repair and clean, or replace as required.
Remove condenser shroud, Clean and remove old sealer from
base pan and shroud. Apply new sealer, reinstall and check.
Clean with steam or detergent.
Adjust fan blade to 1/2" clearance from condenser coil.
Evaporator drain pan cracked or
obstructed.
Water in center section of base
pan (compressor area).
Dirty Condenser coil.
Fan blade and slinger ring
improperly positioned.
Clean obstructed drain trough.
Evaporator drain pan broken or cracked. Reseal or replace.
Dirty evaporator coil, or extremely high humidity conditions.
Clean coil with steam or detergent.
Evaporator drain pan
overflowing.
Condensation forming on
bottom of base pan.
Water dripping from discharge
air grilles.
PROBLEM POSSIBLE CAUSE TO CORRECT
Water leaks into
room.
Switch (On-Off)
does not cut fan
motor off.
Noisy and/or
vibration.
PROBLEM POSSIBLE CAUSE TO CORRECT
TROUBLESHOOTING (Continued)