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Failure Diagnostics Chart; No Power (No Indication, No Pouring); Water Is Not Boiled. (Water Pours Out); Hot Water Cannot Poured Out Or Water Flow Is Obstructed - Panasonic NC-HU301P Service Manual

Electric thermo pot
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3.5. Failure Diagnostics Chart

3.5.1. No power (No indication, no pouring)

The items in the Check correspond to those shown in Check Point on P.9.
C
h
e
k c
Thermal fuse Comp.
Keep warm heater
Power cord
Lead wire assy. E
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r

3.5.2. Water is not boiled. (Water pours out)

The items in the Check correspond to those shown in Check Point on P.9.
C
h
e
k c
Boiling heater
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
3.5.3 Hot water cannot poured out or water flow is obstructed. (Water is boiled)
Check point
C
h
e
k c
Is the filter (located at the bottom of the container) clogged?
The items in the Check correspond to those shown in Check Point on P.9.
C
h
e
k c
Electric pump
Lead wire assy. E comp.
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
3.5.4. Long Boil/Reboil LED and 98 keep warm LED are lighted up alternately.
(Overheating protection mode/Bottom thermistor disconnection mode)
Check point
C
h
e
k c
s I
h t
e
e r
w
t a
r e
n i
s
d i
e
?
The items in the Check correspond to those shown in Check Point on P.9.
C
h
e
k c
Themistor assy. comp.
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
W
h
e
n
h t
e
a
b
o
v
e
p
r a
s t
a
e r
D
Is there connection between the white lead wire on the peg
frame and the CN3 connector of the control unit A? (0Ω)
Is there connection between yellow lead wire on heater
terminal and blue and orange led wires? (Approx.133Ω)
Is there connection in the power cord? (0Ω)
Is there connection in the lead wire assy. E? (0Ω)
n
r o
m
a
. l
n
r o
m
a
. l
D
Is there connection between yellow lead wire and blue •
orange lead wire? (11Ω)
n
r o
m
a
. l
n
r o
m
a
. l
D
D
Turn the 100V power on, and pres the Lock/Unlock pad rst
and then the Pour Out pad. Is the motor heard running?
Is there connection in the Lead wire assy. E? (0Ω)
n
r o
m
a
. l
n
r o
m
a
. l
D
D
Is there connection between blue lead wire and blue lead
wire? (Approx. 45Ω when approx. 20°C)
n
r o
m
a
. l
n
r o
m
a
. l
a i
g
n
o
s
c i t
m
e
h t
o
d
a i
g
n
o
s
c i t
m
e
h t
o
d
a i
g
n
o
s
c i t
m
e
h t
o
d
a i
g
n
o
s
c i t
m
e
h t
o
d
a i
g
n
o
s
c i t
m
e
h t
o
d
a i
g
n
o
s
c i t
m
e
h t
o
d
— 10 —
NC-HU301P, NC-HU401P
A
t c
o i
n
Replace the Thermal fuse
comp.
Replace the Container comp.
Replace the Power cord.
Replace the Lead wire assy. E.
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
A
comp. (operation)
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
B
comp. (bottom)
A
t c
o i
n
Replace the Container comp.
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
A
comp. (operation)
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
B
comp. (bottom)
A
t c
o i
n
Clean up or replace the filter.
A
t c
o i
n
Replace the electric pump.
Replace the Lead wire assy. E.
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
A
(operation).
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
B
(bottom).
A
t c
o i
n
S
u
p
p
y l
w
t a
r e
a
n
d
p
e r
s s
h t
Long Boil/Reboil pad.
A
t c
o i
n
Replace the Thermistor assy.
comp.
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
B
comp. (bottom)
R
e
p
a l
c
e
h t
e
C
o
n
r t
l o
u
n
t i
A
comp. (operation)
e
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