Friedrich CP05N10A manual Complaint Cause Remedy

Page 18

COMPLAINT

CAUSE

REMEDY

 

 

 

Compressor cycles on

Fan motor

If not running, determine the cause. Replace if

overload.

 

required.

 

 

 

 

Condenser air flow

Remove the cabinet, inspect the interior surface

 

restriction

of the condenser. If restricted, clean carefully

 

 

with a vacuum cleaner (do not damage fins) or

 

 

brush. Clean the interior base before

 

 

re-assembling.

 

 

 

 

Condenser fins

If the condenser fins are closed over a large

 

(damaged)

area on the coil surface, head pressures will

 

 

increase, causing the compressor to cycle.

 

 

Straighten the fins or replace the coil.

 

 

 

 

Capacitor

Test the capacitor.

 

 

 

 

Wiring

Check the terminals. If loose, repair or replace.

 

 

 

 

Refrigeration system

Check the system for a restriction.

 

 

 

Insufficient cooling

Air filter

If restricted, clean or replace.

 

 

 

 

Unit undersized

Determine if the unit is properly sized for the

 

 

area to be cooled.

 

 

 

Excessive noise

Blower or fan

Check the set screw, or clamp. If loose or miss-

 

 

ing, correct. If the blower or fan is hitting scroll

 

 

or barrier, rearrange the air handling parts.

 

 

 

 

Copper tubing

Remove the cabinet and carefully rearrange the

 

 

tubing not to contact the cabinet,

 

 

compressor, shroud, and barrier.

 

 

 

—17—

Image 18
Contents Room Air Conditioner Service and Parts Manual Contents Preface Locations of Controls Disassembly Instructions AIR Handling Parts AIR Guide UpperORIFICE, Turbo FAN and FAN Electrical Parts AIR GuideOverload Protector Thermistor CompressorCapacitor Control BoardPower Cord Refrigerant CycleCondenser Evaporator Capillary Tube0A-Pulling Vacuum Electrical Data USE of Extension CordsPiping System Condenser CoilsTroubleshooting Guide Unit is running but cooling is ineffectiveFails to Start Room AIR Conditioner Voltage Limits 203/$,17 $86 50 Complaint Cause Remedy Circuit Diagram 3/29 W0CZZ Use Factory Certified Parts