46
CN27 : Ye llow 3 - Blue 2 100 - 400Hz
Compare the data indicated on maintenance monitor # 10 and # 20.
YES
NO
CN27
The problem may be due to a cause other than the appliance.
Only connect and disconnect the connector after the fan has
stopped rotating and then disconnect the electrical power.
(The Circuit Board and Fan Motor may be damaged otherwise.)
.
d
e
y
a
l
p
s
i
d
s
i
e
d
o
c
r
o
r
r
e
e
h
t ,
s
n
o
it
i
d
n
o
c
g
n
i
w
o
ll
o
f
n
i
s
i
ti
n
U
e
h
t
n
e
h
W
- If the fan speed is 200rpm more or less than the target speed
during iginition or pre purge.
.
n
o
it
s
u
b
m
o
c
e
h
t
g
n
ir
u
d
m
p
r
0
0
5
n
a
h
t
r
e
w
o
l
s
i
d
e
e
p
s
n
a
f
e
h
t
fI
-
- If the fan speed is 500 (200) rpm more or less than the target speed
during combustion.
<Condition of occurrence for error code 61>
(because there is the possibility of fan phase interruption.)
Check the fan speed.
Normal
Normal
Abnormal
Abnormal
Replace the Circuit Board set.
Between Brown 4 - Blue 2 DC 7 - 45V.
Between Red 1 - Blue 2 DC 10 - 14V.
1
2
* If the problem does not reappear and only appears on the error code history, it could be due to a cause other than the unit, such as
.
c
t
e
,
)
V
8
0
1
C
A
w
o
l
e
b
(
e
g
a
tl
o
v
y
l
p
p
u
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e
h
t
n
i
p
o
r
d
a
,
n
o
it
c
u
r
t
s
b
o
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o
s
t
s
u
g
d
n
i
w
o
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g
a
k
c
o
l
b
y
r
a
r
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p
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t
Please explain this to the customer.
Replace the Fan Motor.
Replace the Fa n Motor.
Check the voltage to the Fan Motor.
Fan Motor is rotating.
4 3 2 1
BR Y BL R
<CN27>
Fan Motor abnormality
Error Codes
Description
611, 612, 614
61
Display
Window
Remote
Controller
* It is not necessary to replace the
Display Window Circuit Board.
Display Window
Circuit Board
Dip Switch
Data
Displ ay
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
4 3 2 1
BR Y BL R
<CN27>
Display Window
Circuit Board
Dip Switch
Data
Displ ay
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
Содержание NRC661-DV
Страница 17: ...NR501 OD NR662 OD Thermistor Cold Water Thermistor Hot Water Gas Proportioning Valve 17...
Страница 19: ...19 5 Operation Flow Chart Water heating Shutdown procedure Ignition operation NR501 OD...
Страница 20: ...Water heating Shutdown procedure Ignition operation 20 NR662 OD...
Страница 70: ...the Heat Exchanger must be flushed is set to Flushing Mode from an authorized Noritz wholesaler 70...
Страница 71: ...located 71...