Malfunction In Other Indoor Unit Or Other Bp Unit - Daikin Super Multi Plus D-Series Service Manual

Troubleshooting for Outdoor Unit

7.25 Malfunction in other Indoor Unit or other BP Unit

U9
Remote
Controller
Display
Applicable
AII indoor unit models
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
320
Malfunction of electronic expansion valve in other BP unit
Defect of PCB of other indoor unit or other BP unit
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Turn on all indoor units.
The other
error code than "U9"
display blinks on the
remote controls of other
units within the same
refrigerant
system.
NO
YES
SiEBE18-526
Refer to failure diagnosis for the
malfunction code.
Replace the outdoor unit PCB.
(Q0386)
Troubleshooting