– 215 –
[L2
9
]
No
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
No
Sub-code
01
02
03
04
05
06
07
08
0
9
12
A3-IPDU
3
0A
0B
0C
0D
0E
0F
12
A3-IPDU
O
O
O
O
O
O
O
O
3
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Chec
k code
Cause
Chec
k code name
Is jumper
setup of outdoor I/F
P
.C
. board correct?
(Chec
k jumpers 8,
9
,
10, 11 and 12)
Is
comm
unication
connector betw
een IPDU
and I/F P
.C
. board
connected?
Is there
no disconnection of
comm
unication line betw
een
IPDU and I/F P
.C
.
board?*
Is there
voltage fluctuation
betw
een 4 and 5 pins of
CN600 on I/F P
.C
. board?
(Measurement b
y tester
:
DC0 to 5V
,
5 pin GND)
Is there
voltage fluctuation
betw
een 3 and 5 pins of
CN600 on I/F P
.C
. board?
(Measurement b
y tester
:
DC0 to 5V
,
5 pin GND)
,
Correct connection of connector
.
Correct connection of connector
.
Replace comm
unication line
.
I/F P
.C
. board error
I/F P
.C
. board error
Replace the troub
led
IPDU P
.C
. board.
IPDU quantity error
1.
Incorrect model setup in ser
vice f
or I/F P
.C
. board
2.
Comm
unication error betw
een A3-IPDU
, f
an IPDU
and I/F
3.
A3-IPDU
, f
an IPDU
, I/F P
.C
. board error
Fa
n
IPDU
Fa
n
IPDU
O:
IPDU error par
t
In the case that All IPDUs (A3- IPDUs and f
an IPDUs) do not
retur
n response
.
*
Tw
o A3-IPDUs (NO
. 1 and 2) e
xist in 8, 10 HP models
.
In 12 or 14 HP models
, three A3-IPDUs (No
. 1, 2, 3) e
xist.
No
[L31]
No
No
[P01]
* F
or the models equipped with A
C f
an motor only
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
[L30]
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
Chec
k code
Cause
Chec
k code name
Abnor
mal input from the outside
Inter
loc
k in indoor unit from
outside
Other IPDU errors
Is outside de
vice
connected to connector
CN80?
Does outside de
vice
correctly oper
ate?
Is there an
y troub
le
of outdoor unit po
w
er
supply?
Is there no
connection error or
disconnection of CN076
connector?
Is not there loc
k of f
an
motor?
Chec
k indoor P
.C
. board.
F
ailure
→
Replace
Chec
k outside de
vice
.
F
ailure
→
Replace
Chec
k po
w
er v
oltage and line
.
Chec
k auxiliaty noise
, etc.
Correct cab
ling circuit f
or
the connector connection.
Replace f
an motor
.
Chec
k indoor P
.C
. board.
F
ailure
→
Replace
Chec
k outdoor I/F P
.C
.
board.
Chec
k cause of abnor
mal
input.
1.
Outdoor unit po
w
er error
2.
Outdoor I/F P
.C
. board error
Indoor f
an motor error
1.
Wir
ing
error
2.
Chec
k f
an motor
.
AMP Air Conditioning
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