Daikin RQYQ140-180PY1 Service Manual page 189

SiBE341001
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Diagnosis Flow 10
Confirmation of malfunction 3 Confirmation of malfunction 4
Faulty connection of BS unit at HP
Is the model series
"RQEQ"?
YES
Replace it to the spare
PCB.
YES
Are the spare parts
properly arranged?
YES
Diagnosis Flow 11
Confirmation of malfunction 3 Confirmation of malfunction 4
Faulty connection of outdoor multi at HP/HR
Are all the outdoor units
the same models? (Are
RQEQ and RQYQ not
mixed?)
YES
Replace it to the spare
PCB.
YES
Are the spare parts
properly arranged?
YES
Troubleshooting by Remote Controller
NO
NO
NO
NO
NO
NO
Use the outdoor unit of "RQEQ".
Replace the outdoor unit PCB.
Arrange a correct spare PCB.
Replace the outdoor unit PCB.
Correct the combination of outdoor
units.
Replace the outdoor unit PCB.
Arrange a correct spare PCB.
Replace the outdoor unit PCB.
180