Amana RFS Models Service Manual page 30

Troubleshooting
Trouble 3: Display shows all ¿JXUHV VHW EXW RYHQ GRHV QRW VWDUW FRRNLQJ ZKLOH GHVLUHG
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CONDITION
1.Setting time
does not count
down when
touching START
pad.
2. Blower motor
or oven lamp
do not turn on.
Trouble 4: 2YHQ VHHPV WR EH RSHUDWLQJ EXW OLWWOH KHDW LV SURGXFHG LQ RYHQ ORDG
CONDITION
Output is low.
2011 RFS Training Manual.indd 28
CHECK RESULT
Check continuity
No continuity.
of secondary
switch (with
door closed).
Continuity.
Check the con-
Continuity
nection between
CN1 connector
and PCB
No continuity
assembly.
Check blower
Abnormal.
motor.
Check oven lamp.
Abnormal.
Normal.
CHECK RESULT
Lower than 90% of
Check the
power source rating voltage.
voltage.
Normal.
Measure the
Abnormal.
output power.
CAUSE
Defective
secondary switch.
Defective PCB
assembly.
Loose connection.
Defective blower
motor.
Defective oven lamp.
CAUSE
Decrease in power
source voltage
with load.
Defective
magnetron.
28
REMEDY
Replace
secondary switch.
Replace PCB
assembly.
Connect them
tightly.
Replace blower
motor.
Replace oven lamp.
REMEDY
Suggest customer
contact local
electric power
utility co. or
electrician.
Replace
magnetron.
10/3/2011 8:36:48 AM