York YKFE12BXEXBH-RX User Manual

23
PROBLEM CAUSE REMEDY
Unit does not run.
□ Blown Fuse.
□ Circuit breaker tripped.
□ No electrical supply.
□ Main power switched off.
□ Replace proper fuse.
□ Reset the breaker.
□ Switch ON the power supply.
Compressor and condenser fan
not working.
□ Power failure.
□ Fuse blown or circuit breaker
tripped.
□ Defective thermostat, contactor,
transformer or control relay.
□ Insufcient line voltage.
□ Incorrect or faulty wiring.
□ Thermostat setting is not correct.
□ Call power distributor.
□ Replace fuse or reset circuit
breaker.
□ Replace component.
□ Call power distributor.
□ Rewire as per wiring diagram.
□ Do the correct setting.
Compressor not working but
condenser fan working.
□ Faulty wiring or loose connections.
□ Compressor circuit.
□ Compressor faulty.
□ Defective compressor run/start
capacitor, overload relay fault.
□ Three phase supply failure.
□ Check wiring and do repair or
replace.
□ Replace compressor.
□ Replace fault component.
□ Call power distributor.
Compressor ON/OFF cycle is
too short (other than normal
thermostat cut off).
□ Refrigerant over charge or under
charge.
□ Defective compressor. Insufcient
line voltage.
□ Blocked condenser.
□ Defective run/start capacitor,
overload, start, relay, defective
thermostat, fault condenser fan
motor or capacitor.
□ Obstructions in refrigerant system.
□ Reclaim refrigerant, evacuate and
recharge as on nameplate.
□ Replace compressor.
□ Call power distributor.
□ Determine cause and correct.
□ Replace fault component.
□ Locate obstructions and remove.
Compressor operates
continuously.
□ Dirty air lter.
□ Unit undersized for load.
□ Thermostat set too low.
□ Low refrigerant charge.
□ Condenser coil dirty or blocked.
□ Replace lter.
□ Decrease load or increase unit size.
□ Reset thermostat.
□ Locate leak and repair and
recharge.
□ Clean coil or remove obstructions.
Excessive head pressure.
□ Dirty air lter.
□ Dirty condenser coil.
□ Refrigerant over charged.
□ Air in system.
□ Condenser air obstructed or air
short cycling.
□ Replace air lter.
□ Clean coil.
□ Reclaim excess refrigerant.
□ Reclaim gas, evacuate & recharge.
□ Determine cause and correct.
Headpressuretoo low.
□ Low refrigerant charge.
□ Compressor valves leaking.
□ Restriction in liquid tube.
□ Check for leaks, repair and
recharge.
□ Replace compressor.
Excessive suction pressure.
□ High head load.
□ Compressor valves leaking.
□ Refrigerant over charged.
□ Check for cause and eliminate.
□ Replace compressor.
□ Reclaim excess refrigerant.
Trouble Shooting

York YKFE12BXEXBH-RX Specifications

General

Brand	York
Model	YKFE12BXEXBH-RX
Category	Air Conditioner
Language	English