Friedrich 60 Hz manual FAN Motor does

Page 10

TROUBLESHOOTING (Continued)

PROBLEM

POSSIBLE CAUSE

TO CORRECT

 

Defective switch (On-Off).

Check continuity across terminals 2 and 3.

 

Fan capacitor open.

Check by substituting a known good capacitor of the same

 

rating.

 

 

FAN MOTOR DOES

Inoperative fan motor.

Direct test fan motor.

NOT RUN.

Incorrect wiring of fan circuit.

Connect per wiring diagram.

 

Relay open.

Replace Relay.

 

Check for seized motor bearings.

Rotate by hand, add oil, if noisy, replace.

 

Bound fan blade or blower wheel.

Adjust for proper clearance.

 

 

 

SWITCH (ON-OFF)

 

 

DOES NOT CUT

Selector Switch Relay

Replace selector switch. Replace relay.

FAN MOTOR OFF.

 

 

 

 

 

 

Poor installation.

Refer to Installation Instructions for proper installation.

 

Fan blade striking chassis.

Adjust motor mount to attain proper fan blade and blower

 

wheel clearance.

 

 

NOISY AND/OR

Compressor vibrating.

Check for deteriorated compressor grommets, or missing

VIBRATION.

mounting parts.

 

 

Loose cabinet parts, improperly

 

 

mounted components, tubing

Adjust and tighten as required.

 

rubbing.

 

 

 

 

 

Evaporator drain pan overflowing.

Clean obstructed drain trough.

WATER LEAKS

Condensation forming on bottom

Evaporator drain pan broken or cracked. Reseal or

of base pan.

replace.

INTO ROOM.

Water dripping from discharge air

Dirty evaporator coil, or extremely high humidity conditions.

 

 

grilles.

Clean coil with steam or detergent.

 

 

 

 

Evaporator drain pan cracked or

Repair and clean, or replace as required.

 

obstructed.

 

 

 

Water in center section of base

Remove condenser shroud, Clean and remove old sealer

OUTSIDE WATER

from base pan and shroud. Apply new sealer, reinstall and

pan (compressor area).

LEAKS.

check.

 

 

Dirty Condenser coil.

Clean with steam or detergent.

 

Fan blade and slinger ring

Adjust fan blade to 1/2" clearance from condenser coil.

 

improperly positioned.

 

 

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Contents Service & Parts Manual Table of Contents Performance Data Cooling Ground Test Component Operation and TestingCompressors Checking Compressor EfficiencyCAPACITOR, RUN FAN Motor TestCapacitor Test Test ThermostatSealed Refrigeration System Repairs Rotary Compressor Special Troubleshooting & Service Hermetic Component ReplacementSpecial Procedures in the Case of Compressor Motor Burnout Refrigerant ChargeTroubleshooting Problem Possible Cause To Correct Unit does not RUNProblem Possible Cause To Correct CompressorFAN Motor does Wiring Diagram Hazardgard Cabinet Parts Hazardgard Chassis Parts Hazardgard Parts List Description Part NO# Models CodeDescription Part NO# Models Code Chassis Parts Hazardgard Room AIR Conditioners Limited Warranty