Daikin RQYQ140-180PY1, Руководство по обслуживанию, Страница: 193 / 231

SiBE341001 Troubleshooting by Remote Controller
Troubleshooting 184
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
For VRV
systems, can the
setting of central control group
No. be made in one and
the same refrigerant
system?
Was
the central
control group No.
for indoor unit
changed?
Make correct setting of the
central control group No.
Check outdoor units to which
the refrigerant system is
connected.
Check whether or not there
are no problems with the
transmission wiring length,
branch numbers, types of
cables and wires, number of
units connected, and others.
If no problems, replace the
indoor unit PCB.
NO
YES
Continued to A
(on the following
page)
YES
Check
the indoor
unit for which
“
UE
” is displayed.
Is the transmission
malfunction (UE)
caused on
all indoor
units?
Is the
power supply of
the indoor unit on which
the “
UE
” occurred,
turned ON?
Has
the setting of
central control group No.
been made with the
indoor unit on which
the “
UE
”
occurred?
NO
NO
YES
Can
the setting of
central control group
No. be made?
Make sure there are no
hazardous situations, and
then turn ON the power
supply.
NO
NO
YES
YES
NO
YES
Reset the power supplies of
every centralized controller.
For the intelligent Touch
controller, register the air
conditioner again while in
DIII-NET test run menu.