No
Ye
s
[E09]
Ye
s
No
[E10]
Check code
Check code name
Cause
Check code
Check code name
Cause
Duplicated header remote
controller
Setup of header remote controller is duplicated.
Communication trouble between
indoor MCUs.
Indoor P
.C. board trouble.
Are two remote
controllers set up as two
header remote
controllers?
Is connection of
power wire correct?
Set up one controller as the header and
the other follower
.
(Remote controller address connector)
Check remote controller.
Failure
Replace
Check power voltage. Improve the
line condition. Eliminate noise, etc.
Check indoor control P
.C. board.
Failure
Replace
[E11]
Check code
Check code name
Cause
Communication trouble between
Application control kit and Indoor unit
1.Application control kit trouble
2. Indoor P.C. board trouble
Is the
connection f
or the
U
AR
T comm
unication
connector (indoor P
.C
. board
CN521 red/Application
control kit CN1 red)
nor
mal?
YES
NO
Is connector
lead wire f
or the U
AR
T
comm
unication
cut?
Does Red
LED (LD1) on the
Application control
kit light up?
Red LED
(LD1) on the
Application control kit
repeatedly lights
up and flashes
on and off
.
.
Red LED (LD1)
of the Application control
kit b
links
.
Repair of connector
connection.
Chec
k the oper
ating status
.
YES
NO
YES
YES
NO
YES
NO
NO
Replacement of the
connector's lead wire
.
Compact 4-w
a
y cassette type
, 2-w
a
y cassette type
,
1-w
a
y cassette type (SH), Floor standing type
Replace the
Application control kit.
Replace the
Application control kit.
Replace indoor
P
.C.
board
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