Read Panasonic NC-EH22P / NC-EH30P / NC-EH40P / NC-EH30PWTW / NC-EH40PWTW Service Manual online
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NC-EH22P, EH30P, EH40P
Check points
Keep warm heater
(between the orange, white
and the yellow.
Thermal fuse comp.
(between the blue
and white)
Boiling heater
(between the orange, white
and red)
Motorized pump
Confi rm motor rotation
sound while power is on,
switch on Unlock pad and
turn on hot water Pour out
pad.
sound while power is on,
switch on Unlock pad and
turn on hot water Pour out
pad.
Lead wire “E” comp.
(0Ω)
Thermistor (complete)
between white
and white :
approx. 20°C,
approx. 45kΩ
Check point-1
2.2. Dismantle procedure for
failure diagnotics
failure diagnotics
Orange
White
Red
Blue
White
Yellow
White
White
Red
Tapping screw
(M4 x 12)
Truss head screw
Bottom plate
Sleeve
Screw B
Waterproof
cover B
cover B
Body
CAUTION
When touching or near the control unit,
discharge static electricity by grounding
the human body, clothes, work table, etc.
through a resister of a few mega ohms.
discharge static electricity by grounding
the human body, clothes, work table, etc.
through a resister of a few mega ohms.
Microcomputer may be damaged by static
electricity.
electricity.
Note
When copper foil pattern on control unit is broken,
do not repair and reuse it.
do not repair and reuse it.
1. Remove 2 Tapping screws and 1 Truss head
screw from Bottom plate.
2. Remove 1 screw and Sleeve from Body.
3. Remove white, orange Lead wire and Earth wire
from Peg frame.
4. Remove Body off.
5. Remove Waterproof cover B.
3. Remove white, orange Lead wire and Earth wire
from Peg frame.
4. Remove Body off.
5. Remove Waterproof cover B.
White
NC-EH22_30_40P.indd 5
NC-EH22_30_40P.indd 5
1/14/08 9:36:19 AM
1/14/08 9:36:19 AM
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