Noritz NRC661-DV, Руководство по обслуживанию, Страница: 48 / 78

48
Normal Abnormal
CN89A-CN89B
DC14-16V
Check the voltage of Remote Controller terminal on Circuit Board .
Remove the Remote Controller cord.
Check for Remote Controller cord damage, short - circuiting or ground fault.
If there is no problem, replace the Remote Controller.
Check for improper connection of wiring,
then replace the Circuit Board set.
Remote Controller transmission abnormality
Error Codes
Description
No Display 760
Display
Window
Remote
Controller
* It is not necessary to replace the Display
Window Circuit Board.
Display Window
Circuit Board
Dip Switch
<CN89B>
Data
Displ ay
1 2 3 4
R BL BL BL
<CN142>
<CN89A>
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
BK BK 4 2
W W
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
Po wer
Circuit
Board
Circuit Board
1 2 3
Normal Abnormal
CN142 : Blue 4 (on Main Circuit Board)
CN142 : Blue 4 (on Display Window Circuit Board)
1 or less
Check the wiring connection between Main Circuit Board and Display Window Circuit Board
Check the connection.
(Wiring should be snap together)
Check for improper connection of wiring,
then replace the Wiring.
4
3
2
1
BL
BL
BL
R
<CN142>
<CN142>
1 2 3 4
R BL BL BL
Display Window transmission abnormality
Error Codes
Description
76 768
Display
Window
Remote
Controller
Check for between Main Circuit Board and Display Window Circuit Board cord
for damage, short - circuiting or ground fault.
Disconnect the electrical power, and then reconnect the electrical power.
If the error code is displayed again, replace the Circuit Board set and Display
Window Circuit Board.
Display 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
BK BK 4 2
W W
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
Po wer
Circuit
Board
Circuit Board
1 2 3