Daikin VRV Inverter K Series - Page 188

Troubleshooting (OP: Schedule Timer) SiE-05C
174 Troubleshooting Inverter K Series
7.2 PC Board Defect
Remote Controller
Display
MM
MM
11
11
Supposed Causes  Defect of schedule timer PC board
Troubleshooting Replace the schedule timer PC board.
7.3 Malfunction of Transmission between Optional Controllers for Centralized
Control
Remote Controller
Display
MM
MM
88
88
Supposed Causes  Malfunction of transmission between optional controllers for centralized control
 Defect of PC board of optional controllers for centralized control
Troubleshooting
(VF076)
Is
transmission wiring
disconnected or wired
incorrectly?
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.
YES
NO
Fix the wiring correctly.
YES
NO
Has a
once connected
optional controller for
centralized control been
disconnected or
its address
changed?
Turn on power supply for all optional
controllers for centralized control.
Reset power supply simultaneously for
all optional controllers for centralized
control.
YES
NO
Is
the power supply
turned on for all optional
controllers for centralized
control?
Set reset switch to "normal."
YES
NO
Is
the reset switch
of all optional controllers for
centralized control
set to "normal?"
SI-05C.BOOK Page 174 Monday, November 6, 2000 4:13 PM
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