Hanseatic WQP12-7311D Technical & Service Manual page 19

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Inspect NTC
1.Open the protecting box and take out PCB;
2.With the door closed,unplug the RE connector(shown in below picture), then use the
multi-meter
Ω
shelf to test resistance between two blue wires(RE and GND) , the normal
resistance is shown in below table.
3. I f the resistance is not correct, it means NTC circuit has a problem. In this case, we
should check the connection first. If the problem hasn't been solved by re-connection, we
would replace the NTC.
NTC resistance table
NTC
15℃
20℃
25℃
30℃
40℃
50℃
60℃
70℃
80℃
85℃
NTC
->
Theory of parts
GND
RE
17.48KΩ
12.12KΩ
10KΩ
8.299KΩ
5.807KΩ
4.144KΩ
3.011KΩ
2.224KΩ
1.667KΩ
1.451KΩ
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