Daikin RTSQ20PY1 Service Manual page 337

SiBE31-801_C
Troubleshooting
∗1
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Has the remote control
adaptor (KRP2A series)
been connected?
NO
Has the schedule timer
been connected?
NO
Are there two or more units of
centralized controller with master
unit setting connectors (CN1/
X1A) connected?
NO
Reset the power
supplies of every
centralized controller.
MA
The " " error code has
been cleared.
Centralized controller: Normal
CHECK 8 : Referring to the information on P.345.
Troubleshooting (OP: Centralized Remote Controller)
YES
YES
Has the Interface for

BACnet been
connected?
NO
Has the Interface for

L W been
ON ORKS
connected?
NO
Has the parallel interface
been connected?
NO
Has the
Independent/
Combined use
NO
connector (CN1/X1A)
of the schedule timer
been connected?
The List of Setting of Master
YES
Unit Central Setting Connector
Check 8
CHECK 8
MA
The " " malfunction code is
displayed again.
It is supposed that the
malfunction results from
external factors (e.g. noises)
from other equipment.
Not available for combined
use with the remote control
adaptor. Dismount the remote
control adaptor, and then
reset power supplies of every
centralized controller.
Not available for combined
use of the schedule timer and
YES
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
YES
the Interface for L
Dismount either of them, and
then reset power supplies of
every centralized controller.
Not available for combined
use of the schedule timer and
YES
the parallel interface.
Dismount either of them, and
then reset power supplies of
every centralized controller.
Dismount the Independent/
Combined use connector
YES
(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
∗1
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.

.

W .
ON ORKS
326