5-14
2. Fuse does not
blow.
No continuity.
Continuity.
Check continuity
of power supply
cord.
Defective power
supply cord.
Replace power
supply cord.
Defective mag-
netron thermostat.
Replace mag-
netron thermostat.
Check continuity
of magnetron
thermostat.
No continuity.
1. Fuse blows.
Continuity.
Malfunction of the
monitor switch.
Check continuity
of monitor
switch (with
door closed).
Check continuity
of primary
switch (with
door opened).
No continuity.
Disconnect one
side of the wire
lead connected
from transformer
to the high
voltage
capacitor and
operate the unit.
No continuity.
Continuity.
Shorted contact at
the primary switch.
Fuse blows again
Normal.
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Defective high volt-
age transformer.
Replace high volt-
age transformer.
Replace fuse
(TROUBLE 2) Oven does not operate at all ; Display window does not display any figures and
no input is accepted.
NOTE : All these switches must be replaced at the same time. Refer to page 5-6, 5-7
CONDITION
CHECK
RESULT
CAUSE
REMEDY
Replace primary
and monitor
switches.
Replace primary
and monitor
switches.
Содержание NN-CT641M
Страница 9: ...4 3 SCHEMATIC DIAGRAM 15A Ry 1 Ry 2 Ry 3 Ry 4 Ry 5 RY3 RY4 RY5 RY1 RY2 ...
Страница 31: ...6 2 DOOR PARTS 1 2 3 5 6 7 8 9 4 ...
Страница 32: ...6 3 CONTROL PANEL PARTS 10 11 12 13 ...
Страница 33: ...INTERIOR PARTS 6 4 18 19 20 21 22 23 24 25 26 31 32 33 28 30 71 72 65 64 29 27 ...
Страница 34: ...6 5 36 LATCH BOARD PARTS 41 34 35 42 37 37 38 39 ...
Страница 35: ...6 6 OVEN CAVITY PARTS 44 45 46 47 48 49 50 51 52 R00 43 ...
Страница 36: ...6 7 BASE PLATE PARTS 53 54 55 56 57 59 60 61 ...
Страница 42: ...P NO Printed in China 11 April 20 ...
