Daikin VRV S RXQ4/5ARV1 Service Manual page 246

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Troubleshooting by Error Code

After replacing the compressor, perform troubleshooting on the compressor based on CHECK 3

and CHECK 5.

CHECK 3 Refer to page 339.

CHECK 4 Refer to page 340.

CHECK 5 Refer to page 344.

CHECK 12 Refer to page 353.

the high/low

pressure measured

by the service checker the

same as the actual measured

voltage values of the

high/low pressure

Is the power transistor

Replace the outdoor

unit main PCB

Replace the inverter PCB

Replace the compressor.

Part 6 Service Diagnosis

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