Mc " Address Duplication, Improper Setting - Daikin VRV III REYQ8PY1 Service Manual

Troubleshooting (OP: Central Remote Controller)
MC
" "
4.4 Address Duplication, Improper Setting
MC
Remote
Controller
Display
Applicable Central remote controller
Models Schedule timer
Method of Detect the malfunction according to DIII-NET transmission data.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
340
Two or more units of central remote controllers and Intelligent Touch Controllers are
connected, and all of them are set to master unit central setting or slave unit central setting.
Two units of schedule timers are connected.
Address duplication of centralized controller
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Did the
malfunction
occur while in the first test
run using the intelligent
Touch controller?
YES
Is the
Master/Slave setting of the
central equipment
correct?
NO
If the intelligent Touch
controller is used, correct the
setting of the combination of
master and slave units again
while in DIII-NET test run
mode, referring to the
Master/Slave setting table.
(Refer P183.)
Reset the power supplies of
every central equipment.
∗
1 Check 9
: Referring to the information on P354.
Intelligent Touch Controller
Is the Master/
NO
Slave setting of the
central equipment
correct?
YES
Was the
central equipment
YES
connected once, and then
disconnected, or was additional
central equipment
installed?
NO
Turn ON the power supply of
the central equipment with
MC
" " displayed once again.
MC
Is the " "
displayed again?
NO
Be sure to
refer to the
Master/
Slave
setting
table.
Check 9 Correct the setting of the
combination of master and
∗
1
slave units, and then reset
the power supplies of every
central equipment.
YES
Reset the power supplies of
every central equipment.
MC
With " "
displayed
Replace the central
equipment.
MC
Without " "
displayed
Central equipment: Normal
It is supposed that the
malfunction results from
external factors (e.g. noises)
from other equipment.
Si37-701
Troubleshooting