Daikin RQYQ140-180PY1 Service Manual page 190

Troubleshooting by Remote Controller
Troubleshooting
181
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Diagnosis Flow 12
Confirmation of malfunction 3 Confirmation of malfunction 4
Faulty combination of outdoor multi
Is the multi
combination of
outdoor units correct?
YES
Replace it to the spare
PCB.
YES
Are the spare parts
properly arranged?
YES
Is the setting of spare
PCB correct?
YES
NO
NO
NO
NO
SiBE341001
Correct the multi combination of
outdoor units.
Replace the outdoor unit PCB.
Arrange a correct spare PCB.
Set again, and reset the power.
Replace the outdoor unit PCB.
Troubleshooting