Friedrich ZQ05B10, ZQ07B10 manual Fails to Start

Page 15

Fails to Start

Check power source.

Check control switch setting.

Compressor fails to start.

Drop of power voltage.

Defect of compressor capacitor.

Capacitor check.

Replacement.

Check circuit breaker and fuse.

Gas leakage of capillary bulb on thermostat.

Check control switch.

 

 

Fan only fails to start.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper wiring.

Improper thermostat

 

 

 

 

setting

 

 

 

 

 

 

 

 

 

 

 

 

 

Defect of fan motor

 

Loose terminal

 

capacitor.

connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Irregular motor

 

Improper wiring

 

resistance ()

 

 

Irregular motor

 

 

 

insulation ()

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacement of fan motor.

 

 

 

 

Irregular motor resistance ()

Irregular motor insulation ()

Replacement of compressor (Motor damaged).

Regular but fails to start.

Replacement of compressor. (Locking of piston, metal.)

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Contents Room Air Conditioner Service and Parts Manual ZStar Contents Features SpecificationsPreface Safety Precautions Locations of ControlsInsulation Resistance Test Cabinet Disassembly InstructionsMechanical Parts Front GrilleAIR Handling Parts AIR Guide UpperORIFICE, Turbo FAN and FAN Electrical Parts AIR GuideOverload Protector Thermostat Rotary SwitchCompressor CapacitorPower Cord Refrigerant CycleCondenser Capillary Tube EVAPORATOR/CONDENSERPulling Vacuum Outside Dimensions unit mm Troubleshooting GuideCondenser Coils Piping SystemUnit is running but cooling is ineffective Troubleshooting GuideFails to Start Room AIR Conditioner Voltage Limits Check for continuity Refer to Complaint Cause Remedy Model ZQ05B10,ZQ07B10 Circuit DiagramExploded View ZQ05B10 Service Parts ListZQ07B10 Memo Use Factory Certified Parts