Daikin VRV III-S RXYMQ36 48PVJU, Service Manual

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SiUS34-907 Troubleshooting (OP: Unified ON/OFF Controller)
Troubleshooting 209
5.3 Display “Under Centralized Control” Blinks (Repeats
Double Blink)
Remote
Controller
Display
“under centralized control” (Repeats double blink)
Applicable
Models Unified ON/OFF controller
Method of
Malfunction
Detection Detect the malfunction according to DIII-NET transmission data.
Malfunction
Decision
Conditions
When no central control addresses are set to indoor units
When no indoor units are connected within the control range
Supposed
Causes

Central control address (group No.) is not set for indoor unit.

Improper control range setting switch

Improper wiring of transmission wiring
Troubleshooting
Set b y remote controller the
central control address for all
indoor
u nits connected to the
central control line.
Is the central
control address (gro u p N o.)
set for the indoor
u nit?
Replace the u nified O N /OFF
controller.
N O
N O
YES
Caution Be s u re to t u rn off the po w er s w itch b efore connecting or disconnecting the connector, or parts may b e damaged.
Set the control range setting
s
w itch correctly and
sim u ltaneo u sly reset the po w er
s u pply for all optional controllers
for centralized control.
Is the control
range setting s w itch
set correctly?
N O
YES
Correct the w iring.
Is the
transmission w iring
disconnected or w ired
incorrectly?
YES