Daikin VRV Inverter K Series Manual page 341

SI-05C.BOOK Page 327 Monday, November 6, 2000 4:13 PM
SiE-05C
5.6 Malfunction of Connection Between The Inverter Unit and Outdoor Unit PC
Board
L L L L C C C C
Remote Controller
Display
Supposed Causes
Troubleshooting
Troubleshooting PLUS Series
Malfunction of connection between the inverter unit and outdoor unit PC board
Defect of outdoor unit PC board (transmission section)
Defect of inverter unit
Defect of noise filter (NF1)
Are
X3A on the
outdoor unit PC board
NO
and X3A on the inverter
unit connected
securely.
YES
The
transmission
YES
wiring between the outdoor
unit PC board and inverter
unit is disconnected.
NO
The
YES
microcomputer monitor
(green) on the inverter
unit is blinking.
NO
The voltage
between red and white
YES
of CN on the inverter unit is
220~240 V (50Hz).
NO
Check the
noise filter (NF1) for
disconnection, and check
the power supply wiring
for the inverter
unit.
How to Use The Monitor Switch On The Inverter PC Board
Replace the inverter unit.
"LC" blinks again.
: http://splitoff.ru/tehn-doc.html
Connect transmission wiring
and turn on again.
Fix the disconnection and turn
on again.
Defect of outdoor PC board or
defect of inverter unit
Replace the outdoor unit PC
board.
(VF163)
327