-
255
-
YES
NO
Are the settings
between the master and
slave indoor units good?
Modify the master/slave setting.
YES
NO
NO
Is the wiring for remote
controller connected correctly?
Is the DC voltage at the
indoor unit terminal block
(CnB (red) – (black) ) 10 V?
Indoor unit control PCB is defective.
Replace it.
YES
Remote controller wiring is disconnected.
Remote control wiring connections are faulty.
Master
Slave a
Slave b
Indoor unit
DIP switch
Master setting at time of
factory shipment
OFF
OFF
SW5-1
SW5-2
OFF
ON
ON
OFF
Slave c
ON
ON
Note (1) Set DIP switches SW5-1 and SW5-2 on the indoor unit control PCB as
shown in the following table.
Indoor unit control PCB is defective.
Replace it.
Z
X
8
Error display :
E10
[Control of 1 remote controller VS multiple units
Excessive number of units (more than 17 units) ]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Are more
than 17 units connected
to a remote
controller?
Reduce to 16 units
or less
YES
NO
Remote controller PCB is defect.
Replace it.
9
Error display :
E14
Indoor unit
Red LED
Green LED
3 time flash
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
[Communications are faulty between master and slave indoor units]
