Troubleshooting guide – Friedrich CP06E10 User Manual

Page 20

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Service Manual 20

Troubleshooting Guide

Troubleshooting Guide

In general, possible trouble is classified in two kinds.
The one is called Starting Failure which is caused from an electrical defect, and the other is ineffective Air
Conditioning caused by a defect in the refrigeration circuit and improper application.

Unit runs but poor cooling.

Ineffective Cooling

Satisfactory operation

with temperature

difference of inlet & outlet

air; 44~50°F (7~10°C)

Replacement of unit if

the unit is beyond repair.

Check outdoor coil

(heat exchanger) and

fan operation.

Check heat load

increase.

Check cold air

circulation for smooth

flow.

Check gas leakage.

Clean condenser.

Not on separate circuit

Check inside gas

pressure.

Adjust refrigerant

charge.

Malfunction of

compressor.

Replacement of

compressor.

Check clogging in refrigera-

tion circuit.

Repair clogging in

refrigeration circuit.

Dirty indoor coil

(heat exchanger)

Repair gas leak.

Malfunction of fan.

Clogging of air filter.

Obstruction at air outlet.

Remove obstruction.

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