Troubleshooting (Op: Unified On/Off Controller); Operation Lamp Blinks - Daikin VRV K Manual

SI-95.BOOK Page 133 Friday, March 31, 2000 10:59 AM
Si-95

7. Troubleshooting (OP: Unified ON/OFF Controller)

7.1

Operation Lamp Blinks

Remote Controller

Operation lamp blinks

Display
I Malfunction of transmission between optional controller and indoor unit
Suppposed Causes
I Connector for setting master controller is disconnected
I Defect of unified ON/OFF controller
I Defect of indoor unit PC board
I Malfunction of air conditioner
Troubleshooting
Replace the centralized control PC board.
Troubleshooting Inverter K Series
Is a malfunction YES
code displayed on the remote
controller?
NO
Has a once
YES
connected indoor unit been
removed or its control range
setting changed?
NO
Is
the power supply for
YES
the indoor unit displaying a
malfunction
turned on?
NO
Is
transmission wiring
NO
disconnected or wired
incorrectly?
YES
Is transmission
NO
with all indoor units
malfunctioning?
YES
Is
the transmission
NO
wiring with the master
controller disconnected or
wired incorrectly?
YES
Is the master
NO
controller's connector for
setting master controller
disconnected.
YES

Troubleshooting (OP: Unified ON/OFF Controller)

Diagnose the cause with the air
conditioner's failure diagnosis
manual.
Reset power supply for all optional
controllers for centralized control
simultaneously.
Turn the power supply of the
indoor unit on.
Fix the wiring correctly.
Is the group
NO
No. of malfunctioning indoor Set the group No. correctly.
units set?
YES
Replace indoor unit PC board.
Fix the wiring correctly.
Connect the connector correctly.
(VF079)
133