Daikin VRV III, Руководство по обслуживанию, Страница: 442 / 567

SiUS34-801A_b Troubleshooting by Indication on the Remote Controller
Troubleshooting 427
Troubleshooting
NO
NO
YES
YES
NO
YES
YES
Connect the power supply wire
for the outside control adapter
to 5V supply line.
Replace the outdoor unit main
PC board.
Check if
the power supply
wire for the outside control
adapter is connected to
5V supply
line.
Replace the PC board of the
outside control adapter.
Replace the outdoor unit main
PC board.
NO
YES
NO
Correct the connecting wiring
with the outside control adapter.
Diagnosis Flow 1
Check if
any disconnection or
connection error is detected in
connecting wires with
outside control
adapter.
Supply power to the outdoor
unit.
Check if power
is supplied to the
outdoor units.
Check if
the normal condition
monitor LED for the outdoor
unit PC board
blinks.
Check if
the normal condition monitor
LED for the outside control
adapter blinks.
Check 3 Check 4
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.