Friedrich CP05N10A Bedienungsanleitung PDF herunterladen (Seite 14)

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3.3 TROUBLESHOOTING GUIDE

In general, possible trouble is classified in two kinds.

The one is called Starting Failure which is caused by an electrical defect. The other is Ineffective Air Con-

ditioning caused by a defect in the refrigeration circuit and improper application.

Unit is running but cooling is ineffective.

Ineffective Cooling

Satisfactory operation

with temperature

difference of inlet & outlet

air; 18~26°F.

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 for gas leakage.

Clean condenser.

Not on dedicated circuit.

Check inside gas

pressure.

Adjust refrigerant

charge.

Malfunction of

compressor.

Replacement of

compressor.

Check for restriction in refri -

geration circuit.

Remove restriction in

refrigeration circuit.

Dirty indoor coil

(heat exchanger)

Repair gas leak.

Malfunction of fan.

Clogging air filter.

Obstruction at air outlet.

Remove obstruction.

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