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Troubleshooting tip for fixing an Amana NED7200TW (Samsung-built) electric dryer that's not heating
Posted by Samurai Appliance Repair Man,
in
Dryer Repair
16 March 2012
·
1,521 views
Amana, dryer, Samsung, no heat and 1 more...
Being a Samsung-built dryer, this one can throw you a curve ball if you're not used to thinking like a Korean. Fortunately, Doctor John is fluent in Korean Dryerese and sets us on the right track:
Here's the part link for the thermistor ==> http://www.repaircli...ber=NED7200TW10
And, for reference and enrichment, here's the schematic for this dryer:
Click for large view - Uploaded with Skitch
Source: Amana NED7200TW Dryer no heat, problem with cycling thermostat?
A SAMSUNG-built dryer.
The temperature THERMISTOR should show 10,000 ohms at 77F
If not---replace it.
In nearly all cases where the THERMISTOR has failed---the *coating* on it has become damaged and the tiny copper winding has a green color (corrosion). This is especially common in areas near a salt-water environment (beach/shore).
See image: http://www.repaircli...200tw-%3d%3dc61
Also inspect the TERMINAL BLOCK (where plug is attached to dryer) for loose/burnt connection(s).
Here's the part link for the thermistor ==> http://www.repaircli...ber=NED7200TW10
And, for reference and enrichment, here's the schematic for this dryer:
Click for large view - Uploaded with SkitchSource: Amana NED7200TW Dryer no heat, problem with cycling thermostat?
