Dismantle Procedure For Failure Diagnotics; Check Points - Panasonic NC-BH30P-C Service Manual

2.2. Dismantle procedure for
failure diagnotics
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.
Microcomputer may be damaged by static
electricity.
When copper foil pattern on control unit is broken,
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.

Check points

Keep warm heater
(between the orange, white
and the yellow.
Thermal fuse comp.
(between the blue
and white)
Motorized pump
Confi rm motor rotation
sound while power is on,
switch on Unlock pad and
turn on hot water Pour out
pad.
NC-BH40-30-22.indd 6 NC-BH40-30-22.indd 6
Note
Orange
White
Yellow
Blue
Blue
Lead wire "E" comp.
(0Ω)
Check point-1
Truss head screw
Bottom plate
Sleeve
Red
White
Blue
White
Red
- 6 -
NC-BH30P, BH40P
Tapping screw
(M4 x 12)
Screw B
Waterproof
cover B
Boiling heater
(between the orange, white
and red)
Thermistor (complete)
between blue
and blue :
approx. 20°C,
approx. 45kΩ
Body
14-08-07 16:47:58 14-08-07 16:47:58