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you would have to be able to follow the voltages and check for shorts or opens in that supply with a multimeter (voltage and resistance) or gamble and just replace the board.
If fuses good and no puffy caps in power supply things need to be checked with test equipment and eventually boards replaced to either fix it or know it is not on any board---a display panel can also cause this.
Another option is have a repair shop look and give you an estimate.
Dear Sir: pLEAse lube in according with the instruction manual maintenance you can have deck belt worn 2) Inspect the drive belt and replace it 3) Measure the input voltage motor, if there are voltage motor need repair or replace 4) test the output voltage from main motor board, if there are NOT the board is faulty.
The main board sends power to the display lights. Check with a multimeter for voltage coming out of the main board to the display board. If no voltage the main board is bad or the fuse is bad.
1. There are two thermal fuses on this unit - one fuse is in the bake/broil element circuit and if blown, would cause no-heat but the display would still light. - the other thermal fuse is in series with power to the control board, if blown the control board display would be dark and no oven related functions would work
2. There is a low voltage transformer that supplies power to the control board that sometimes gets damaged by lightning surges. This would also cause the display to be dark with no oven functionality.
3. We repair a number of these control boards that are damaged by lightning storms. Here's a link to a related article that might be helpful:
HI. Sorry to say that the board may be bad. take the stove apart to get to it. there should be a fuse on the board. check it. The clock is there but on a curcit of it's on. But that dose mean the board is getting voltage. Hope it's the fuse.
The power supply board on the DMR-E85H has problems. The earlier boards suffered from leaking capacitors and the later boards from voltage regulator problems. If your machine is now dead, the fuse on the power supply board has also blown.Go to the following links for details and photos on how to fix: Replacing capacitors:http://www.fixya.com/support/t216825-dvd_recorder_frozen_please_wait_display Replacing the voltage regulator:http://www.rbjtech.net/electrical/e85/e85.htm#0 Hope this helps. My machine had the later ps board and the voltage regulator replacement worked perfectly.
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