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Daikin VRV III-S RXYMQ36 48PVJU Service Manual: Display "under Centralized Control" Blinks (repeats Double Blink)

60 hz.
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SiUS34-907
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
Decision
When no indoor units are connected within the control range
Conditions
 Central control address (group No.) is not set for indoor unit.
Supposed
 Improper control range setting switch
Causes
 Improper wiring of transmission wiring
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
control address (group No.)
range setting switch
transmission wiring
disconnected or wired
Troubleshooting
"under centralized control" (Repeats double blink)
Is the central
NO
set for the indoor
unit?
YES
Is the control
NO
set correctly?
YES
Is the
YES
incorrectly?
NO
Troubleshooting (OP: Unified ON/OFF Controller)
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.
Correct the wiring.
Replace the unified ON/OFF
controller.
209

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