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Error Code 35 Exhaust thermistor abnormality <(L)WHiC56 only>
Check the Exhaust thermistor open or short circuit.
Normal
CN63 : Between White 7 - White 2
Resistance, Voltage : Refer to the table below.
When measuring the resistance,
disconnect the connector and
check the male side.
Exhaust Thermistor Temperature Characteristics
-20
-10
487
276
Voltage(DCV)
4.6
4.3
Error Code 51 Failure of Gas Solenoid Valve
(or Gas Solenoid Valve drive circuit abnormality)
Check whether each connector (for SV0~SV4) on
Manifold and Gas Valve comes out.
Normal
Check the coil resistance* of each Gas Solenoid Valve.
(Which Gas Solenoid Valve has abnormality?)
Check for improper connection of wiring, damage.
Normal
* Coil resistance
SV0 : 19~31
SV1 : 36~58
SV2 : 36~58
SV3 : 36~58
SV4 : 36~58
When measuring the resistance,
disconnect the connector and
check the female side.
Check the High Limit Switch.
Normal
Abnormal
1
2
3
4
5
6
7
<CN63>
0
10
20
30
40
162
98.3
61.5
39.5
26.1
3.9
3.4
2.8
2.3
1.8
Abnormal
Abnormal
SV0 abnormality
SV1 or SV2 or SV3
or SV4 abnormality
It is shown on page 13.
- 37 -
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
W
1
BK
2
3
W
W
4
5
W
W
6
BL
7
BR
W
8
GY
9
BK
W
10
O
11
W
12
W
<CN10>
W
<Condition of occurrence for error code 51>
When the Unit is in following conditions, the error code is displayed.
- if the Gas Solenoid Valve's conections are improper.
- if the Gas Solenoid Valve's conections are damaged.
- Circuit Board failure.
<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
17
18
G
O
15
16
O
1
13
14
W
BL
2
11
12
W
3
9 10
Y
W
4
7 8
R
W
1
BL
5
Y
5 6
Y
W
2
BL
1
2
6
W
R
3 4
BK
3
BL
BK
7
1 2
W
W
<CN63>
<CN38>
<CN89>
<CN197>
Check for improper connection of wiring.
Replace the Exhaust thermistor.
Replace the Circuit Board set.
Connect the connector.
Replace the Gas Valve.
Replace the Manifold.
Replace the Circuit Board.
3
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