Question about Miscellaneous
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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Posted on Jan 02, 2017
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
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
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
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 www.powermate.com 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
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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