Pc Board Defect - Daikin VRV Inverter K Series Manual

Part4.fm Page 170 Wednesday, January 31, 2001 8:58 AM
Troubleshooting (OP: Central Remote Controller)
6.2

PC Board Defect

M M M M 1 1 1 1
Remote Controller
Display
Supposed Causes
Troubleshooting
Replace the central remote controller PC board.
6.3 Malfunction of Transmission between Optional Controllers for Centralized
Control
M M M M 8 8 8 8
Remote Controller
Display
Supposed Causes
Troubleshooting
170
Defect of central remote controller PC board
Malfunction of transmission between optional controllers for centralized control
Defect of PC board of optional controllers for centralized control
Has a once
connected optional
YES
controller for 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
YES
disconnected or wired
incorrectly?
NO
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.
: http://splitoff.ru/tehn-doc.html
Troubleshooting Inverter K Series
SiE-05C
(VF072)