42
Check the drain line is clogged or frozen.
noC etasnednoC eht fo edortcele level retaw eht kcehC tainer.
Disconnect the wiring connector of the
water level electrode
rm
the maintenance monitor # 19 to know
the cause.
[000] : Normal
[001] : Abnormal.
<When not using the maintenance monitor>
CN63 : Between White 11 - Black 2
DC 4.5 - 4.9V
Condensate Container clogging
Error Codes
Description
2929
Display
Window
Remote
Controller
* It is not necessary to replace the
Displ ay Window Circuit Board.
Check for wiring damage, shor t-circuiting .
Replace the Circuit Board set .
Replace the Condensate Container .
Check for the clogging of the
Condensate Container drain system.
Normal Abnormal
Normal Abnormal
<Condition of occurrence for error code 29>
The error message is displayed if water level electrode is shorted.
The maintenance monitor # 19
is displaying [001].
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BL
W
R
Y
BK
BK
W
W
BK
W
<CN63>
Displ ay Window
Circuit Board
Dip Switch
Data
Display
1 2 3 4
R
BL BL BL
<CN142>
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
W
Y
O
R
BK
V
G
O
Y
W
4
3
2
1
BL
BL
BL
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
4 3 2 1
BR
Y
BL
R
R
O
Y
W
BL
R
W
O
GY
BK
W
BL
W
BL
2
1
BL/W
BKBK 4 2
WW
Fuse
3 1
R/R G
3 2 1
BL
6
5
4
3
2
1
BK
R
W
W
3
2
1
R
BL
G
BL
W
R
Y
BK
BK
W
W
BK
W
<CN63>
<CN135>
<CN78>
<CN59>
<CN142>
<CN104>
<CN27>
<CN92>
<CN101>
<CN10>
<CN75>
<CN102>
<CN89A>
<CN89B>
<CN42>
Main
Circuit
Board
Power
Circuit
Board
Circuit Board
1 2 3
Check the Ther mistor - Air open or short circuit.
CN63 : Between Black 5- Black 2
DC 0.7 - 4.4V
Resistance : Refer to the table below.
When measuring the resistance,
disconnect the connector and
check the male side.
Normal Abnormal
Thermistor - Air abnormality
Error Codes
Description
301 (Open)
302 (Short)
30
Display
Window
Remote
Controller
* It is not necessary to replace the
Displ ay Window Circuit Board.
Replace the Thermistor - Air .
Check for improper connection of wiring.
Replace the Circuit Board set.
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BL
W
R
Y
BK
BK
W
W
BK
W
<CN63>
Displ ay Window
Circuit Board
Dip Switch
Data
Display
1 2 3 4
R
BL BL BL
<CN142>
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
W
Y
O
R
BK
V
G
O
Y
W
4
3
2
1
BL
BL
BL
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
4 3 2 1
BR
Y
BL
R
R
O
Y
W
BL
R
W
O
GY
BK
W
BL
W
BL
2
1
BL/W
BKBK 4 2
WW
Fuse
3 1
R/R G
3 2 1
BL
6
5
4
3
2
1
BK
R
W
W
3
2
1
R
BL
G
BL
W
R
Y
BK
BK
W
W
BK
W
<CN63>
<CN135>
<CN78>
<CN59>
<CN142>
<CN104>
<CN27>
<CN92>
<CN101>
<CN10>
<CN75>
<CN102>
<CN89A>
<CN89B>
<CN42>
Main
Circuit
Board
Power
Circuit
Board
Circuit Board
1 2 3
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