Specifications

1088

FDC-HKXR

(4) Proceduer for checking the outdoor unit irrespective of indoor/outdoor transmission

Turn off the outdoor unit power supply

Set 45 in outdoor unit No.

Turn ON the outdoor unit PCB(SW

3-7

)

Turn ON the outdoor unit power supply

Turn OFF the outdoor unit power supply

Return outdoor unit NO. to the installation state.

Defective outdoor unit PCB

Open the 63H

Defective 52C

Defective outdoor unit PCB or

indoor unit PCB

(Or pull out the connector CnA

on the outdoor unit PCB)

(When connecting the CnA

on the outdoor unit PCB)

(Pull out Faston No.17 on the PCB)

Is the 52C

turnd ON?

Does a voltage

Appear at the 52C coil.

Can the compressor

operate at 35Hz?

(Continued to the previous page)

Note (1) When using this procedure, the indoor unit enters a transmission error state. In the indoor unit the expansion valve may be closed or

the fan may stop.

Note( 1) After the compressor is operated, stop it at once.

Note (1) Otherwise, it will cause a failure to the compressor.

YES

NO YES

YES