Pj" Outdoor Unit: Faulty Combination Of Inverter And Fan Driver - Daikin R-410A Service Manual

SiBE39-402A
4.34 "PJ" Outdoor Unit: Faulty Combination of Inverter and
Fan Driver
PJ
Remote
Controller
Display
Applicable
AII outdoor unit models
Models
Method of Check the communication state between inverter PC board and control PC board by micro-
Malfunction computer.
Detection
Malfunction
When the communication data about inverter PC board type is incorrect.
Decision
Conditions
! Mismatching of inverter PC board
Supposed
! Faulty field setting
Causes
Troubleshooting
∗ Refer to "Field Setting from Outdoor Unit" on P81.
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
NO
Was the PC board
replaced?
YES
Is the
NO
PC board type
correct?
YES
Is the field
setting when the
NO
PC board was
replaced correct?
YES
Troubleshooting by Indication on the Remote Controller
Replace the PC board.
Replace PC board by the correct
one.
Correct field setting.
After resetting, restart.
(V3151)
149