Daikin VRV Inverter K Series Manual page 183

Part4.fm Page 169 Wednesday, January 31, 2001 8:57 AM
SiE-05C
6. Troubleshooting (OP: Central Remote Controller)
6.1 Malfunction of Transmission between Central Remote Controller and Indoor
Unit
U U U U E E E E
Remote Controller
Display
Supposed Causes
Troubleshooting
Troubleshooting Inverter K Series
Malfunction of transmission between optional controllers for centralized control and indoor unit
Connector for setting master controller is disconnected.
Failure of PC board for central remote controller
Defect of indoor unit PC board
Has
an indoor unit once
YES
connected been remove
or its address
changed?
NO
Is
the power supply
NO
turned on for indoor units
displaying
malfunction?
YES
Is
transmission wiring
YES
disconnected or
wired incorrectly?
NO
Is
transmission with
YES
all indoor units
malfunctioning?
NO
Is
the transmission
wiring with the master
YES
controller disconnected
or wired
incorrectly?
NO
Is
the master controller's
NO
connector for setting master
controller
disconnected?
YES
Troubleshooting (OP: Central Remote Controller)
Reset power supply
simultaneously for all optional
controllers for centralized control.
Turn indoor unit's power supply.
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.
Replace the central PC board.
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(VF071)
169