Display "Under Centralized Control" Blinks (Repeats Double Blink) - Daikin REYQ72 Serveice Manual

SiUS39-602
5.3 Display "Under Centralized Control" Blinks (Repeats
Double Blink)
Remote
Controller
Display
Applicable Unified ON/OFF controller
Models
Method of Detect the malfunction according to DIII-NET transmission data.
Malfunction
Detection
Malfunction When no central control addresses are set to indoor units.
When no indoor units are connected within the control range.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
"under centralized control" (Repeats double blink)
Central control address (group No.) is not set for indoor unit.
Improper control range setting switch
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 control
range setting switch
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
centralized control address for all
indoor units connected to the
central control line.
Set the control range setting
switch correctly and
simultaneously reset the power
supply for all optional controllers
for centralized control.
Fix the wiring correctly.
Replace the PC board of the
unified ON/OFF controller.
(V2844)
211