Daikin RQYQ140-180PY1 Service Manual page 164

Troubleshooting by Remote Controller
Troubleshooting
155
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the
type of the compressor
inverter PCB (A3P)
correct?
YES
Is the
type of the fan inverter
PCB (A4P) correct?
YES
Is the
setting of dip switches
when replace the main
PCB correct?
YES
Does the
preparation indication
lamp (H2P) on the main
PCB turn
OFF?
YES
NO
NO
NO
NO
SiBE341001
Replace it with the
correct compressor
inverter PCB.
Replace it with the
correct fan inverter
PCB.
Set the dip switches
correctly.
(After setting: Reset the
power supply)
Rectify the connection
wiring.
Replace the outdoor
unit main PCB.
Troubleshooting