Daikin R71FUV1 Service Manual page 349

Si20-701_B
Troubleshooting
Caution
Is
the type of the
compressor inverter
PCB correct?
YES
Is the
type of the fan
inverter PCB
correct?
YES
Was
the dip switch
correctly set up
when replacing the
main PCB?
YES
Is the
lamp in
preparation (H2P) on
the main PCB turned
OFF?
YES
342
Troubleshooting by Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
NO
NO
Replace with the
correct
compressor
inverter PCB.
Replace with the
correct fan
inverter PCB.
Correctly set up
the DIP switch.
Correct the
connection wires.
Replace the
outdoor unit main
PCB.