Display "Under Centralized Control" Blinks (Repeats Double Blink) - Daikin VRV II RXYQ5MATL Service Manual

Troubleshooting (OP: Unified ON/OFF Controller)
6.3 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
250
"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
NO
NO
YES
Si39-504
Set by remote controller the
central 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
Fix the wiring correctly.
Replace the unified ON/OFF
controller.
Troubleshooting
(V2844)