Malfunction Of Transmission Between Optional Controllers For Centralized Control - Daikin VRV K Manual

SI-95.BOOK Page 130 Friday, March 31, 2000 10:59 AM
Troubleshooting (OP: Schedule Timer)
6.3 Malfunction of Transmission between Optional Controllers for Centralized
Control
M M M M 8 8 8 8
Remote Controller
Display
I Malfunction of transmission between optional controllers for centralized control
Supposed Causes
I Defect of PC board of optional controllers for centralized control
Troubleshooting
130
Has a
once connected
optional controller for
YES
centralized control been
disconnected or
its address
changed?
NO
Is
the power supply
NO
turned on for all optional
controllers for centralized
control?
YES
Is
the reset switch
NO
of all optional controllers for
centralized control
set to "normal?"
YES
Is
transmission wiring
NO
disconnected or wired
incorrectly?
YES
Si-95
Reset power supply simultaneously for
all optional controllers for centralized
control.
Turn on power supply for all optional
controllers for centralized control.
Set reset switch to "normal."
Fix the wiring correctly.
The PC board of one of the optional
controllers for centralized control is
defective. Try turning on/off using each
optional controllers for centralized
control, and replace the PC board of
the one that is unable to control the
indoor unit.
(VF076)
Troubleshooting Inverter K Series