5-14
(TROUBLE 3) Display shows all figures set, but oven does not start cooking while desired
program times are set and START pad is touched.
(TROUBLE 4) Oven seems to be operation but little heat is produced in oven load.
1.Setting time
does not count
down when
touching START
pad.
2. Fan motor or
oven lamp do
not turn on.
No continuity.
Continuity.
Defective
secondary switch.
Replace
secondary switch.
Check continuity
of secondary
switch (with
door closed).
Check the con-
nection between
CN1 connector
and PCB
assembly.
Continuity
No continuity
Abnormal
Abnormal
Normal
Defective fan motor.
Defective oven lamp.
Defective PCB
assembly.
Loose connection.
Output is low.
Lower than 90% of
rating voltage.
Normal.
Decrease in power
source voltage
with load.
Suggest customer
contact local
electric power
utility co. or
qualified
electrician.
Check the
power source
voltage.
Disconnect the
wire leads from
relay 2 and
check on and off
time with
multitester.
Measure the
output power.
Abnormal.
Abnormal.
Normal.
Defective PCB
assembly.
Defective
magnetron.
Replace PCB
assembly.
Replace
magnetron.
Replace PCB
assembly.
Connection then
tightly.
Replace fan motor.
Defective oven lamp.
Check fan motor.
Check oven lamp.
CONDITION
CHECK
RESULT
CAUSE
REMEDY
CONDITION
CHECK
RESULT
CAUSE
REMEDY
NOTE: Simple test of power output-conducted by heating one liter water for one min. if available.
Minimum 8.5
o
C temperature rise is normal condition.
Содержание MS-1145KYL
Страница 9: ...SCHEMATIC DIAGRAM 4 3 ...
Страница 27: ...6 2 DOOR PARTS 13581A 14970A 14026A 13650A WTT028 13552A 13213A 14890A 13551A 13536A EV ...
Страница 28: ...6 3 CONTROLLER PARTS 23551A 268711 WTT028 24781M EV ...
Страница 29: ...6 4 OVEN CAVITY PARTS 33390G 35889A WTT021 33112U WTP013 36549S 33052A WTT010 EV ...
Страница 30: ...6 5 LATCH BOARD PARTS 466001 466003 WSZ085 466001 43500A 43501A EV ...
Страница 32: ...6 7 BASE PLATE PARTS 63302A WTT021 WSZ002 56170D EV ...
Страница 35: ......