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Re: board keeps failing
You should never have to do this. I can understand a board going out, but not every year. Either someone is ripping you off, or you have an electrical issue causing the board to malfunction. You will need to test the amp draw off the unit also. Goodman boards are bad about the blower relays going bad, but not every year! You will also have a fuse on your board that prevents damage to the board. Make sure this fuse is max amp of 3amp.
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Li-ion battery packs in laptops have a circuit board that prevents overcharging. Unfortunately it also keeps count of the number of times the battery pack has been through a charge/discharge cycle and eventhough the batteries maybe still be good; IT keeps batteries from accepting a full charge and and that is why they will not keep a charge for as long as they did when new. Also if any battery in the pack goes bad it effects the whole pack because of the way they are assembled.
Modern washers have computers. Even worse, some have the computer built onto the main motor. If so, you must replace the entire motor, and no ''DIY''. Best bet... Buy a rebuilt older ''top-loader'' machine with knobs and no lights. (Get a guarantee there is no computer). Almost _all_ modern appliances of _every_ kind all have computers. They are there for ''efficiency'' (i.e. ''cost less to operate''). The ''catch?'' They cost a fortune to repair, and their lifespan is _way_ less than older machines. (It's a _giant_ consumer scam, all in the name of ''energy efficiency''). // My original Central AC lasted 25 years. My new ''efficient'' replacement system lasted one week past the 5 year _limited_ warranty. I'd rather pay higher electric bills than spend $10,000 on a new system every 5 years. // See my point?
The defrost board is very easily fried by power surges...
Seems that over the summer the board gets toasted and you have to replace it...
a good commercial surge suppressor may help keep that from happening...
The replacement part is (or was) Fisher & Paykel #16252 Electronic Oven Control (app. $240 in '06 when I replaced the last one). For what it's worth, I have had two boards fail in the past 10 years. On both of my boards, capacitor C3 (68 uf, 35v) is the part that failed. I replaced the bad cap on both boards (cost $0.16) and the displays were back to normal. Obviously, the failed caps were the manifestation, not the cause of the problem with my boards.
You can do some troubleshooting by looking at the glass fuse after it has failed. If the element looks melted and there is no other discoloration, then the fuse probably blew as a result of an overload somewhere. If the fuse is burned black, then it's probably a short in the system.
You can meter the motors to see if they are shorted anywhere or open.
It sounds like you may be correct about the circuit board.
I am not sure what the problem is, but usually if a lamp is bad, the other 2 lamps will still function. Since you are getting no picture at all, I am thinking it is a circuit board problem. TV electronics are expected to last 3-5 years. After that, many components will start to go out one by one. If you have your tv repaired, I would replace the whole circuit boards instead of just the bad component. The power board is the #1 board I would replace 1st. This is the most stressed board and will cause most of your tv problems.
LR is a locked rotor. Usually when I've gotten this error code in the past, you have to replace the motor control board and motor as a kit. However, if this kit has to be installed due to a bad motor, the motor carries a 5 year warranty. If it has to be replaced due to a bad board, the board only has a 2 year warranty. The snag is they have to be replaced together as neither of the old parts is made anymore. I can tell you already the motor/ board kit costs about $300 just for the part. However, since these are expensive machines, I would recommend having a maytag authorized tech come out if the unit is less than 5 years old. It would be worth the service call (and armed with this knowledge) to see if the part can't be replaced under warranty. (wouldn't be a bad idea to have your owners manual ready to show that the motor has a 5 year warranty on it as well) Most warranty companies don't know from model to model which parts are under warranty without the owners manual.