Service and Parts Manual

ManualsBrandsFriedrich ManualsAir ConditionersSingle Zone Air Conditioning Outdoor Unit with Inverter Technology, Heat Pump, Corrosion Protection, Low Ambient Operation, and R-410A Refrigerant: 18000 BTU Cooling

129 PB

TROUBLESHOOTING

Malfunction diagnosis of startup failure

Is wiring of compressor correct.

Is the stop time of compressor enough?

Is compressor damaged?

Y

N

Y

N

N

Y

Y

N

Energize the

unit and start it

Is the stop time

of compressor more

than 3min

Start it 3 min later

Startup failure?

Is compressor wire connected correctly?

Connect it according

to wiring diagram

Replace parts of outdoor

electric box

Remove the error?

Replace

compressor

nish