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How do I fix a T12 lighting fixture without the normal starter plugins? In a cold/warm exchange moisture got in the circuit board starter and blew components.

I have a double T12 fixture that was cold, then warmed up and condensed moisture on the starter circuit board and blew some components. How do I tell what the components are I need to unsolder and replace? I can see two that are obviously damaged, i.e. perhaps resisters or capacitors etc. I can supply a picture of the circuit board. It was not a normal fixture with a plug in starters.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Power Surge damage. Suggestions on which part to replace.

I would start looking at the power supply, it's usually a separate board where the a/c line plugs into. In many cases i have seen that the problem you described is from a damaged power supply, sounds like something is shorting causing the power supply to continuously come on and off. I would first check the capictors to see if any of them have blown, usually cylinder looking and sometimes you'll see an X or a K at the top of the cylinder, if it's blown then the top will be bulging out instead of being flat. If all those look good then there is probably a short somewhere else like in one of the transistors, if so you'd be best to just find another power supply board to replace.

Posted on Nov 09, 2007

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SOURCE: Frigidaire side by side fridge

Power to compressor must be off (about 5 minutes) before a restart should be tried. Some of these relays are thermal and must cool down before power is reapplied.

Posted on Sep 15, 2008

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SOURCE: hello i have proble with air conditioner and heater is a split system unit

What its telling you is that there is an outdoor "thermostat" that senses the outdoor temperature.
The system has found a failure on this area.

It is telling you to check the sensor to see if its actually the sensor thats bad, or something else.

Then its telling you to check the wiring and connection of the sensor to the control board for any loose wiring or broken connections, and to repair it if so.

It then says if niether of those two checks reveal any problems that the problem is the board itself and it should be replaced.

To answer the question, resetting it probably will not work.
There is a small chance that due to power surge, flickering lights, or just a fluke one time glitch that there is nothing rally wrong and resetting would work.
95% chance that is not so.

Posted on Dec 10, 2008

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SOURCE: PM0435003 Powermate - Damaged Capacitor on Board.

Yes, having a leaky capacitor in there could prevent the generator from making electricity. This capacitor is the voltage regulation on brushless generators, and it's the smoothing cap on the models with brushes. I wrote a somewhat long explanation of how to troubleshoot powermate generators that may be of help.

Since writing that post I've found that the Pramac company has started suppling parts for powermates, you can find them at One used to be able to obtain a brand new board from the company but not any of the individual parts. If you're going to go the "Radio Shack" route, I suggest that you also check all of the diodes on the board, they may have been spiked when the generator shut down under load. I wouldn't think your stator windings or your rotor windings got hurt, but since you've go tthe thing apart it can't hurt to check them.


Posted on Dec 15, 2008

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SOURCE: monitor fuse keeps blowing

There is definately a shorted component that causes the fuse to blow. Nomaly the ceremic capacitors are the cause of the problem. Check to see if there is visiual dark or burnt ceremic caps with label sameting like this "SCK 083" near the fuse area and change it. Hope it helps,cheers.

Posted on Jan 22, 2009

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I have a T12 fluorescent light fixture and replaced the bulbs and ballast. I have double checked all the wiring connections. I get the bulbs to light when I move the bulbs, but only for a second.

Your description sounds like the connectors for the tubes. Also RECHECK wiring. Different on newer ballasts. See below...

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Hello Expert. I have a few years old Samsung LCD 37in. model LE37A457C1D. Few drops of water got in from the top of the set, when it was off. When turned it on, darker 5inch wide vertical stripe appeared....

It is important that you do not switch the set on unless the board is cleared of moisture that is conducting the circuits to bridge and short causing the change in the pictures. so remove mains plug from the outlet , remove rear cover. now take out the main boards after marking the connectors and using a hair dryer warm the boards while looking for water logged into the circuits. You can also use a soldering iron the steam off if there is water within pockets in the board. Only when you are convinced that there is no moisture should the board be set back into the tv.

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Re: KitchenAid Coffee Pot

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