Question about GE Spacemaker JVM1640SJ Microwave Oven
I have a 7 year old GE Spacemaker II JEM 31that stopped heating.
When I turn it on it sounds normal of 2-5 seconds and then gets louder.
I only have a DVM for diagnostics.
35 ohms across the diode.
3.3 V AC across the magnatron when running. A frequence measurement floats between about 60 to 100 hz at the magnatron contacts.
I do get a funny smell now when I run it for 30 seconds.
Sounds like you have a bad transformer. Magnatron should check less than 1 ohm (with wires unplugged). Diode should check resistance one way and open the other. Must have a proper diode checker for this. Check resistance on the capacitor (make sure it is discharged first). Resistance should come up then back to open, reverse and same thing if cap. is good. Check resistance on transformer windings.
Posted on Nov 05, 2007
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