Display "Under Centralized Control" Blinks (Repeats Double Blink) - Daikin RTSQ20PY1 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
333
"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
SiBE31-801_C
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
for centralized control.
Fix the wiring correctly.
Replace the unified ON/OFF
controller.
Troubleshooting