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4 amp Buss fuse on the control board keeps blowing. I replaced the switch and it didn't help.

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Need the coach body wiring diagram for a 1984 Georgy Boy 28' Excalibor Endeavor motorhome


This site will not have this wiring diagram, just to old. I would try the manufacturer for help obtaining this diagram.

Oct 18, 2016 | Cars & Trucks

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I HAVE 200,000 BTU REDDY HEATER IT WONT START UP I REPLACE THE BUSS FUSE AND THE FAN STARTED RUN AND BLOW THE FUSE AGAIN NOT SURE WHAT TO DO NOW


Check wireing for mice damage, make sure fan is spinning free. could be circut board is bad. not really a good way to check board. oter than put one in and hope for the best. they are not cheap if you can find one.

Feb 05, 2015 | Reddy Heating & Cooling

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Coleman furnace dgaa077bdta


The control fuses keep blowing tells me one or more of the control that operate the control on 24 volts is malfuctioning. Most controls operate at about 5 watts and on a clamp on amp meter normally pull about 0.2 amp (p = current x voltage, 5 watts = 0.2 amps x 25 volts) I install 75 watt 24 volt transformer with a resettable overload to save on fuses. I reset the transformer and quickly go to the controls and determine the amp draw. When I find the one >0.2 amps I found the problem. The things to check is the emergency heat sequencer, fan control sequencer, reversing valve for heat pumps, main contactor on the condensing unit and any other 24 volt control loads. I have had to replace the themostat wire because the increase current for the thermostat wire can cause the entire length of wire to form a long heater and cause insulation degradationa and cause the thermostat wire to short out and blow the fuses.
Hope this helps

Aug 30, 2014 | Coleman Mobile Modular Home Gas Furnace...

2 Answers

Is there a fuse inside the grinder to protect it from an electrical surge. I accidentally plugged it into a 220 volt outlet.


My MDF was built in September 1993. It has a fuse inside a black cylindrical fuse holder on the electronics board that sits aside the motor. If you have a right-angle flat blade screwdriver, you can get the fuse out without removing the motor unit from the case. I didn't have the right tool, so I ended up removing the motor/grinder unit from the case to replace the fuse. The fuse is a 2A/250V Slow Blow. I used a Buss CDC-2A to replace the factory "5TT 2A/250V" fuse.

May 09, 2011 | Gaggia MDF Electric Burr Grinder

1 Answer

My Phoenix Gold MX 1230 12 channel amplifier 4 mode buss system keeps blowing the power fuse.


When any amp blows the fuse like this suspect an overload in either the power supply or main amp sections. Most likely caused by a sem-conductor that is acting like a piece of wire. Chances are it will be one or more transistors on the heat sink that's gone.

Mar 02, 2011 | Phoenix Gold MX1230 12-Channel Amplifier

1 Answer

The fridge is blowing the 12 volt fuse as soon as I power up the motor home, The fridge is turned off and it still blows the fuse, I tried to undo the 2 wires that go to the 12 volt block on the fridge and...


Unplug the wire located at terminal J4 (12v positive) on the control board, and see if you are still popping fuses. If so, then the fault lies between the wire you just removed and the fuse that keeps blowing.

If the fuse holds, and blows when you plug the wire back onto J4 terminal, then unplug the wire(s) at J2. These go to your door heater (used in humid conditions to remove condensation), as well as the interior light. The switch for the door heater is located on front panel, or is at the top edge of the freezer compartment with door open. It is not unusual for this switch to have issues since it gets chilled and moisture condenses on it. If unplugging the wires at J2 allows the fuse to hold, you probably got a shorted heater or bad heater switch. But, pull the lens off the interior light, and check the contacts there as well.

If the fuse still blows with J2 removed, then unplug the connector in the top left corner of the control board. This goes to the control panel on the inside of the fridge. If the fuse blows, replace the control board. If the fuse holds, the replace the control panel.

Jul 13, 2010 | Dometic RM2652 Refrigerator

1 Answer

The fuse for the heat keeps blowing but dryer runs


if its an old round buss fuse that screws in the panel(especially an old 60 amp panel),sometimes the center where the fuse lands the insulation gets weak in this area and lets it arc over when the dryer calls for current to heat the element replace this with a sub box and breaker set-up.the other thing it can be is the element is touching the units case and grounding out causing the same problem

Jan 25, 2010 | Kenmore 82822 Electric Dryer

1 Answer

I have 60 amp circuit breaker on my electrical a/c heater with a 45 amp fuse. I had the unit for 7 years with no problem. This month the 60 amp circuit breaker keeps tripping when the heater goes off. The...


You're unit is a 31/2 ton according to the numbers.Normally, breakers will only be in a half way posistion when tripped. Yes, under most conditions, the fuse will blow before the breaker trips. I have seen this many times, the breaker may be weak, burned, loose wires and so tighten wires, check the condition of the breaker.It sounds like the breaker even though it is 60 amps, is the problem and you should replace it with out hesitating. This will solve you're problem. When you pull the breaker out, look at the metal clips that snap in on the buss bar to see if they have been overheating.And the buss bar its self. You will know. I am sure this will take care of you're problem. Good Luck,
Shastalaker7

Dec 07, 2009 | Goodman CKL42AR42 Air Conditioner

1 Answer

New dryer keep blowing 30 amp fuses


your problem (especially if you are using screw-in "plug fuses") i.e. BUSS fuses and cartridge fuses they get hot and with time the insulating disc that insulates hot from neutral (grnd) breaks down and with dryer current draw it arcs over and in summer its more humid which contributes to moisture,have a new sub(pony) panel if you have no room for another 240volt circuit in your main panel,that should cure your trouble

Jul 19, 2009 | LG DLE5955 Dryer

1 Answer

The 15amp buss fuse keeps blowing when I use my a/c too long...can i use a higher amp buss


Not a good idea. The fuse protects the wiring of the equipment. To high of an amperage fuse will let the wiring get hot. Being only a 15 amp fuse I assume the fuse is located on your furnace, if so your blower is drawing to many amps. Check for dirty air filters and dirty blower fins. If you have an old 60 amp house panel and that's where the fuse is located you might have additional house circuits using that fuse too pulling to many amps causing it to blow.

Jun 16, 2009 | Coleman Propane Forced Air Heater...

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