Daikin R407C PLUS - Indoor Unit: Malfunction of Capacity Determination Device

Troubleshooting Si33-105
164 Troubleshooting R407C PLUS Series Heat Recovery System
3.8 Indoor Unit: Malfunction of Capacity Determination
Device
Remote
controller display
AJ
Supposed
Causes
!
You have forgotten to install the capacity setting adaptor.
!
Defect of indoor unit PC board
Troubleshooting
(VF035)
Install a capacity setting adaptor.
Replace the indoor unit PC board.
NO
NO
YES
YES
Replace the indoor unit PC board.
The
indoor unit PC board
was replaced with a
replacement PC
board.
The indoor
unit is a model
that requires installation
of a capacity setting
adaptor when
replacing the PC
board.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.