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Error Code 29 Clogging of condensate (Water level electrode shorted) <(L)WHiC56, (L)WHiCX56 only>
Check the drain line is clogged or frozen.
Normal
Check the water level electrode of the condensate.
Normal
Disconnect the wiring connector of the
water level electrode, and then confirm
the maintenance monitor No. 19 to
know the cause.
[000] : Normal
<When not using the maintenance monitor>
①CN38 : White 31 - Blue 17
DC14 - 16V
②CN63 : White 6 - White 2
DC14 - 16V
*(L)WHiC56 only
Error Code 30 Air inlet thermistor abnormality
Check the Air inlet thermistor open or short circuit.
Normal
CN63 : Between White 5 - White 2
DC 0.7 - 4.4V
Resistance : Refer to the table below.
When measuring the resistance,
disconnect the connector and
check the male side.
Air inlet Thermistor Temperature Characteristics
-20
-10
101.7
57.7
Error Code 31 Water inlet thermistor abnormality
Check the Water inlet thermistor open or short circuit.
Normal
CN63 : Between White 4 - White 2
DC 1 - 4.5V
Resistance : Refer to the table below.
When measuring the resistance,
disconnect the connector and
check the male side.
Water inlet / Water outlet / Heat exchanger Thermistor Temperature Characteristics
Abnormal
Abnormal
The maintenance monitor No. 19
is displaying other than [000].
Abnormal
0
10
20
30
40
33.8
20.4
12.6
8.0
5.2
Abnormal
- 35 -
<Condition of occurrence for error code 29>
The error message is displayed if water level electrode is shorted.
1
W
31
32
29
30
R
Circuit Board
V
27
28
BK
O
25
26
G
W
23
24
BK
<CN42>
21
22
W
4
1
BK
5
2
<CN101>
19
20
V
6
3
BL
6
1
R
BL
R
7
2
BL
17
18
G
1
W
8
3
G
O
15
16
O
9
4
W
O
10
5
Y
13
14
BL
1
BK
2
11
12
3
4
9 10
Y
5
6
BL
7 8
R
7
BR
8
GY
5 6
Y
Y
9
BK
10
3 4
R
BK
11
12
1 2
W
<CN10>
<CN38>
1
W
2
W
2
3
W
4
W
5
W
6
W
2
7
W
<CN63>
Circuit Board
<CN42>
W
4
1
BK
5
2
<CN101>
6
3
BL
6
1
R
R
7
2
BL
W
8
3
G
9
4
W
O
10
5
Y
1
BK
1
W
2
3
W
2
W
4
5
W
6
BL
3
W
7
BR
8
GY
9
BK
4
W
10
O
11
5
W
12
W
<CN10>
6
W
7
W
<CN63>
Circuit Board
<CN42>
W
4
1
BK
5
2
<CN101>
6
3
BL
6
1
R
R
7
2
BL
W
8
3
G
9
4
W
O
10
5
Y
1
BK
1
W
2
3
W
2
4
W
5
W
6
BL
3
W
7
BR
8
GY
4
9
BK
W
10
O
11
5
W
12
W
<CN10>
6
W
7
W
<CN63>
Check for the clogging of the
condensate drain circuit.
<CN186>
1
R
MAIN
2
BK
3
W
CIRCUIT
4
G
5
BL
BOARD
6
BL
W
31
32
R
29
30
V
27
28
BK
<CN78>
O
25
26
G
W
23
24
BK
21
22
W
19
20
V
BL
17
18
G
W
O
15
16
O
1
W
13
14
BL
2
11
12
W
3
9 10
Y
W
4
7 8
W
R
5 6
1
BL
O
5
W
Y
Y
2
BL
6
W
R
3 4
BK
3
BL
W
7
W
1 2
W
<CN63>
<CN38>
<CN89>
Check for wiring damage, short-circuiting.
Replace the Circuit Board set.
Replace the condensate container.
<CN186>
1
R
MAIN
2
BK
3
W
CIRCUIT
4
G
5
BL
BOARD
6
BL
W
31
32
BL
1
R
29
30
2
V
27
28
BK
<CN78>
O
25
26
G
W
23
24
BK
21
22
19
20
V
BL
17
18
G
O
15
16
O
1
W
13
14
BL
2
W
11
12
3
W
9 10
Y
4
7 8
R
W
5 6
1
BL
5
W
Y
Y
6
2
BL
1
W
R
3 4
BK
3
BL
BK
7
W
1 2
W
<CN63>
<CN38>
<CN89>
<CN197>
Check for improper connection of wiring.
Replace the Air inlet thermistor.
Replace the Circuit Board set.
<CN186>
1
R
MAIN
2
BK
3
W
CIRCUIT
4
G
5
BL
BOARD
6
BL
W
31
32
1
BL
R
29
30
2
V
27
28
BK
<CN78>
O
25
26
G
W
23
24
BK
21
22
19
20
V
BL
G
17
18
O
O
15
16
1
13
14
W
BL
2
W
11
12
3
W
9 10
Y
4
W
7 8
R
1
BL
5
W
Y
5 6
Y
2
BL
1
6
W
R
3 4
BK
3
BL
BK
7
W
1 2
W
<CN63>
<CN38>
<CN89>
<CN197>
Check for improper connection of wiring.
Replace the Water inlet thermistor.
Replace the Circuit Board set.
1
BL
2
1
2
3
BK
<CN197>
2
3
2
3
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