Daikin REYQ8-48PY1B, Service Manual

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SiBE37-701_B Troubleshooting (OP: Centralized Remote Controller)
Troubleshooting 374
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Has the remote control
adaptor (KRP2A series)
been connected?
Not available for combined
use with the remote control
adaptor. Dismount the remote
control adaptor, and then
reset power supplies of every
centralized controller.
YES
NO
YES YES
NO
NO
NO
YES
YES
YES
NO
NO
The "
MA
" error code has
been cleared.
YES
Has the schedule timer
been connected?
Has the Interface for
BACnet

been
connected?
Has the interface for
LonWorks

been
connected?
Has the parallel interface
been connected?
Has the
Independent/
Combined use
connector (CN1/X1A)
of the schedule timer
been connected?
Are there two or more units of
centralized controller with master unit
setting connectors (CN1/X1A)
connected?
Reset the power
supplies of every
centralized controller.
The "
MA
" malfunction code is
displayed again.
The List of Setting of Master
Unit Central Setting Connector
Check 8
It is supposed that the
malfunction results from
external factors (e.g. noises)
from other equipment.
Centralized controller: Normal
∗
1 : Referring to the information on P.388.
Not available for combined
use of the schedule timer and
the Interface for BACnet

.
Dismount either of them, and
then reset power supplies of
every centralized controller.
Not available for combined
use of the schedule timer and
the interface LonWorks

.
Dismount either of them, and
then reset power supplies of
every centralized controller.
Not available for combined
use of the schedule timer and
the parallel interface.
Dismount either of them, and
then reset power supplies of
every centralized controller.
Dismount the Independent/
Combined use connector
(CN1/X1A) of the schedule
timer, and then reset power
supplies of every centralized
controller.
Integrate every centralized
controller to which the master
unit central connector is
connected, and then reset
power supplies of every
centralized controller.
Disconnect the master unit
central setting connector and
connect this connector to
different centralized controller,
and then reset power supplies
of every centralized controller.
Centralized controller, to
which the master unit central
setting connector is
connected at the time when
the malfunction code is
cleared, is faulty. Replace this
equipment.
∗
1 Check 8
Check 8
NO