Daikin R407C PLUS - Display Under Host Computer Integrate Control Blinks (Repeats Double Blink)

Si33-105 Troubleshooting (OP: Unified ON/OFF Controller)
Troubleshooting R407C PLUS Series Heat Recovery System 217
8.3 Display “Under Host Computer Integrate Control” Blinks
(Repeats Double Blink)
Remote
Controller
Display
“under host computer integrated control” (Repeats double blink)
Supposed
Causes
!
Central control address (group No.) is not set for indoor unit.
!
Improper address setting
!
Improper wiring of transmission wiring
Troubleshooting
(VF082)
Is the switch
for setting each address set
correctly?
Is the transmission
wiring disconnected or wired
incorrectly?
Replace the PC board of the
unified ON/OFF controller.
Fix the wiring correctly.
Set by remote controller the
central control address for all
indoor units connected to the
central control line.
YES
YES
Set the switch for setting each
address correctly and
simultaneously reset the power
supply for all optional controllers
for centralized control.
NO
NO
NO
YES
Is the central
control address (group No.) set
for the indoor unit?
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.