This is around 3 years old and the timer disply on door is fuzzy, I believe this is a LCD. Will power outages cause this? How can I remove the door to have this service? Or is there a fix for this problem? I tried unplugging to reset and nothing, just seems to be getting worse.
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Re: Timer Disply Fuzzy
In my professional opinion, power outages can kick a failing or weak unit over the edge, so to speak, but the primary causes of these display failures are the design and manufacturing techniques.
We regularly remedy and repair these very units nationwide for $32.50, and our proprietary fixes make them better than new in my opinion, with the aim of not only fixing the problem, but preventing them from recurring.
When we repair them, we have folks send us the outer door panel with built-in keypad & display assembly, the power board, and the connecting cable. Thay way we can power and test the unit as an assembly.
It's better to separate the door panels instead of removing the door. I have attached a drawing to show how.
If you remove the door instead of just taking off the outer panel, the microwave will have to be tested for microwave leakage, which can occur if you haven't reassembled the door with all the hardware in the exact same position as it was.
So rest assured this can be economically fixed.
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power outages cause power surges and will damage electronic control boards. I suggest replacing the Control board and checking the interlocking door switches. Whilst inside the microwave check the magnetron for discoloration around the magnetron horn or gun as it were. If it don't look clean and new, otherwise burnt it's bad !
If the timer counts down and nothing else happens, the secondary interlock switch is bad. This switch completes the cook circuit and this is why it doesn't run. You need an ohm meter to diagnose and find the right switch. Switch failure is caused by opening the door when it is in cook mode. Push the stop button first before opening the door and this failure will cease to occur. BE CAREFUL !!
I would replace the door switches and set up the door gap to 1/8" just enough to alow for a little play. Setting the door square is acheived by slackening the lower door hinge and re tightening it when the door is square. Hope that helps.
you mean it want power up or want work when you press the star buttom?
1. check the fuse if no power.
2. If it doesn't work when closing the door after setting timer it is the micro switch that the metal lach hits when the door close.
3. unpluge the micro wave unscew the scews to the cover of the microwave remove the cover. up front by the door you will see the micro switch maybe (brown,black,white,red/white ) what ever color it is disconet it take it to the hardware store buy a new one and replace it,themreasemble your micro wave.
The problem is most likely a burnt, loose, or cold solder connection on the control board. Most likely at the low-voltage transformer that supplies power the board itself. Carefully resoldering any suspect connections in this area should solve the problem. Be careful not to get too much solder on the connections that could short one to another.
If microwave works even if lcd is out then a 100% that the microprocessor is working. Try to check the lcd driver for any loose connections, the bus cable linking the board to the lcd disply for any breaks or try replacing the lcd itself.