Daikin VRV III, Руководство по обслуживанию, Страница: 416 / 567

SiUS34-801A_b Troubleshooting by Indication on the Remote Controller
Troubleshooting 401
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Check if it
is the first time to start
after installation.
Check if a
right amount of refrigerant
is charged.
Check if the
stop valve is open.
Refrigerant
is sleeping. ( The unit is out
of power supply for more than
6 hours.)
Check if the
insulation resistance of the
compressor is more
than 100k
Ω
.
Check if the
compressor lead wires are
disconnected.
Go on to the next page.
( Starting failure due to aged operation.)
Charge a right amount of
refrigerant.
Open the stop valve.
Cancel the sleeping state of
refrigerant.
Cancel the sleeping state of
refrigerant.
Fix the compressor lead wire.
Correct the wiring then supply
power to restart.
NO
NO
NO
YES
NO
YES
NO
YES
YES
YES
NO
YES
YES NO
Is the
single system applied
to the outdoor
unit?
While in monitor mode, check
whether the system is right-
hand (control PC board 1) or
left-hand (control PC board 3).
While in monitor mode,
check the outdoor unit
concerned.
Single system Multi system