Daikin VRV Inverter K Series Manual page 187

Part4.fm Page 173 Wednesday, January 31, 2001 9:01 AM
SiE-05C
7. Troubleshooting (OP: Schedule Timer)
7.1 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 central remote controller and indoor unit
Disconnection of connector for setting master controller (or individual/combined switching connector)
Defect of schedule timer PC board
Defect of indoor unit PC board
Has
an indoor unit
YES
once 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 all
NO
indoor units
malfunctioning?
YES
Is
the transmission
YES
wiring with the master
controller disconnected or
wired incorrectly?
NO
Is
the master controller's
NO
connector for setting master
controller
disconnected?
YES
Troubleshooting (OP: Schedule Timer)
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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(VF075)
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