Daewoo KOR-971M0A Service Manual page 53

(TROUBLE 6) Microwave Output power is low.
First of all, check if output power is really low following "measurement of the microwave output
power".
Condition
Output power
is low.
NOTE 2
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@ @ @ @ @ @ @ @ e ?
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@ @ NOTE2 : The following chart shows the timing periods of the RELAY "1".
@ @
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@ @ g
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@ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @
POWER
0
1
2
3
4
5
6
7
8
9
HI
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@ @ @ @ @ @ @ @ e ?
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@ @ NOTE3 : Interlock monitor switch must be replaced when fuse is blown out.
@ @
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@ @ g
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@ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @
@ @ @ @ @ @ @ @ ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @
Check
Check the power
source voltage with
magnetron oscillating
Check the timing
periods of the RELAY
"1" coil
RELAY "1" ON TIME
Result
Lower than Decrease in
114 volts power source
voltage
Normal
Defective touch
Abnormal
control circuit
NOTE 3
Normal Aging change
of magnetron
0 (Seconds)
3
5
8
11
14
17
20
23
26
29
51
Cause Remedy
Customer education
Replace
Replace depending
on the result of
output test
RELAY "1" OFF TIME
29 (Seconds)
26
24
21
18
15
12
9
6
3
0
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