Daikin VRV K - Display Under Host Computer Integrate Control Blinks; (Repeats Single Blink); Display Under Host Computer Integrate Control Blinks (Repeats Single Blink)

Troubleshooting (OP: Unified ON/OFF Controller) Si-95
134 Troubleshooting Inverter K Series
7.2 Display “Under Host Computer Integrate Control” Blinks (Repeats Single
Blink)
Remote Controller
Display
“under host computer integrated control” (Repeats single blink)
Supposed Causes ■ Address duplication of central remote controller
■ Improper combination of optional controllers for centralized control
■ Connection of more than one master controller
■ Malfunction of transmission between optional controllers for centralized control
■ Defect of PC board of optional controllers for centralized control
Troubleshooting
(VF080)
Is
the reset switch
of all optional controllers for
centralized control set to
"normal."?
Is
transmission wiring
disconnected or wired
incorrectly?
Correct the setting of the unified
ON / OFF controller's switch for
setting each address and reset
the power supply of the unified
ON / OFF controller.
Refer to failure diagnosis for
central remote controller or
schedule timer.
NO
YES
YES
NO
YES
Fix the wiring correctly.
Set reset switch to "normal."
Turn on power supply for all
optional controller for
centralized control.
NO
NO
YES
NO
YES
Is
the power supply
turned on for all optional
controllers for centralized
control?
Reset power supply
simultaneously for all optional
controllers for centralized control.
NO
YES
Has a once
connected optional
controller for centralized control
been disconnected or its
address changed?
Is
the central remote
controller or schedule timer
displaying a
malfunction?
Is
a central remote
controller or schedule timer
connected?
NO
YES
NO
Is
the setting of the
unified ON / OFF controller's
switch for setting each
address
duplicated?
Are
two or more unified
ON / OFF controllers
connected?
YES
2A
SI-95.BOOK Page 134 Friday, March 31, 2000 10:59 AM