Operation Lamp Blinks - Daikin VRV Inverter K Series Manual

Part4.fm Page 177 Wednesday, January 31, 2001 9:02 AM
SiE-05C
8. Troubleshooting (OP: Unified ON/OFF Controller)
8.1

Operation Lamp Blinks

Remote Controller Operation lamp blinks
Display
Suppposed Causes
Troubleshooting
Troubleshooting Inverter K Series
Malfunction of transmission between optional controller and indoor unit
Connector for setting master controller is disconnected
Defect of unified ON/OFF controller
Defect of indoor unit PC board
Malfunction of air conditioner
Is a malfunction YES
code displayed on the remote
controller?
NO
Has a once
YES
connected indoor unit been
removed or its address
changed?
NO
Is
the power supply for
YES
the indoor unit displaying a
malfunction
turned on?
NO
Is
transmission wiring YES
disconnected or wired
incorrectly?
NO
Is transmission
NO
with all indoor units
malfunctioning?
YES
Is
the transmission
YES
wiring with the master
controller disconnected or
wired incorrectly?
NO
Is the master
NO
controller's connector for
setting master controller
disconnected.
YES
Replace the central PC board.
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
Set the group No. correctly.
No. of malfunctioning indoor
units set?
YES
Replace indoor unit PC board.
Fix the wiring correctly.
Connect the connector correctly.
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(VF079)
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