Display "Under Host Computer Integrate Control" Blinks (Repeats Double Blink) - Daikin RXYQ5-48MAY1 Service Manual

Si39-407
6.3 Display "Under Host Computer Integrate Control" Blinks
(Repeats Double Blink)
Remote "under host computer integrated control" (Repeats double blink)
Controller
Display
Applicable Unified ON/OFF controller
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Central control address (group No.) is not set for indoor unit.
Improper address setting
Improper wiring of transmission wiring
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the central
control address (group No.)
set for the
indoor unit?
YES
Is the switch
for setting each address
set correctly?
YES
Is
the transmission
wiring disconnected or
wired incorrectly?
NO
Troubleshooting (OP: Unified ON/OFF Controller)
NO
NO
YES
Set by remote controller the
central control address for all
indoor units connected to the
central control line.
Set the switch for setting each
address correctly and
simultaneously reset the power
supply for all optional controllers
Fix the wiring correctly.
Replace the PC board of the
unified ON/OFF controller.
(V2844)
263