#Testing a magnetek power converter Pc#

Resolution NewarkElectronics, SKU: 28K6344, 50 watt. From manufacture, $10.00 each, minimum 5 piece order, plusshipping. My resistor, however, still had numbers, after a couple web searches ande-mails, I arrived at the answer, numbers were, HEI PC50-.15 P10. I also had a problem with charging and you article cut me to the chaseright away. First, Thank you, article was veryhelpful. I recently had an issue withmy Magnetek and found your article on the web. He went one step further and is sharing the additional information hefound which should help others. Here is yet another email from someone whoran across my web page and used the information available to repair his Magnetekconverter. Ifthe switch closes with heat, then it's good and the problem is probably a fan which needsto be replaced.

If that testfails, the sensor is bad and must be replaced (try an automotive supply store). You should see either a short across the switch meaning thatit has closed or at least a low resistance (only a few ohms at most). Once it has beenheated up, measure across the temp sensor switch with a continuity meter - or a VOM (VoltOhm meter) set to low ohms. If the fan doesn't come on when you blow hot air on it, disconnect it from the AC mains and try the heat source again. Not because the converter is generating lots of 12volt DC power, but because the excessive temperature closes the temperature sensor switchin my trailer. When I go inside on these really hotdays, my fan is usually running. Actually when I store my trailer athome, I keep it hooked to the AC mains all the time. If the converter was plugged in to110 volts AC and the fan didn't come on (with that heat on it), I'd know that either thefan was defective or the temperature sensor was bad. If I were testing myconverter to see if the temperature switch was working, I'd set it up on the bench andblow a heat gun (or my wife's hair dryer) on it. The truth is, the muffin fan I put into my unit isa LOT quieter than the old original fan. Perhaps if you can locate a store with one of these books you could find adirect replacement for your fan.

#Testing a magnetek power converter Pc#

In this catalog I found, not only brand new items(including power converters) but also some (note SOME) parts to repair existing equipment.For instance, on page 116 I'm seeing replacement parts for Magnetek Converters like: doorlatches, limit resistors, the PC board, fan motor, and relay. kinda like the oldSears and Roebuck catalogs. They say that many of the items in the catalog are stocked but if you findsomething which they don't have, they can order it for you. It's one of those books which is published for'the world' but has this dealer's name, logo, address, and phone numbers on thecover. I don't know if you've got some of those around you but it might beworth a call to a dealer or two. I got mine from one of the RV dealers in Tulsa and it was afreebie. I might recommend that you find a book (actually a catalog) called '2004 RVParts & Accessories.' It's an 8 1/2 x 11 inch book that's just over3/4' thick. Sounds like you found a pretty good deal and I think that might be wise. I dug back through some older messages and will copy what I sent to another RVerabout this book: I tried to find it today but, alas, noluck. The Magnatekfan only runs when you're plugged into city electrical mains.Īs far as other parts for the unit - 'official Magnatek parts'I once had a catalog I got from an RV store. If you go this route, be sure you get a117v AC unit as a lot of the fans you'll find surplus are 12 volt DC.

The one I used was from the surplus marketsomewhere and was one I had kicking around. These fans should be available in electronics supply stores,hamfests, or even computer stores. I replaced my fan with a 117v AC muffin fan which was about 4'square, as I recall. The person had asked meabout replacing the fan and I sent him back the following information:

I've copied this same part of a message to their answers several times, so itmight be best just to reproduce it here for anyone else. I just wanted to thank you for saving me the cost of a converter!Īlso I had foundsome other information which I've shared with several others who have have writtenme. The new one cost me $8.99 at the Canadian Tire store part #18-4506 ( for us Canadians ) They have not done that since I bought it used! No wonder mybattery would not charge while plugged in! I then removed it and ohmed it. Ijumpered it with my ammeter when I had the battery out and all the lights in my camperwould work. After learning it was the same resistor as in the old Dodges, the same ones that weALWAYS had a spare of in the glove compartment, I checked that first.