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Ele. current problem

Printer ele. current lamp not blowing. and printer not working

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Try another outlet

Posted on Jun 16, 2009

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Posted on Jan 02, 2017

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1 Answer

Why is it blowing fuses again?


Hi Porter
Fuses only blow because too much current is being drawn through the fuse or it's a dead short.
Note the Fuse value 5A 10A 15A etc

Helpful Tools:
Use a light bulb to replace the fuse (make up a tool)
The filament acts as a visible current indicator.
If the light is full ON then there is heavy current or short.
If it goes dimmer then the dead short is gone.
(As a Guide to current - A headlamp on low beam uses 50watts or about 4 Amps to be fully lit up whereas a 12v 10w test lamp will light up easily with a slight load rather than a full short)
It's hard to beat having an ammeter or Clamp Multimeter in the lamp (above) circuit to determine amount of current flowing through the circuit. But costly for this exercise.

Use the above while you trace the cause of the short.

You Can also temporarily Disconnect the fuse.... put a circuit breaker in it's place (with wires) if this helps with fuses constantly blowing.

Useful Tools:
400A AC DC Clampmeter Clampmeters Multimeters Test Measurement PRODUCTS...
http://www.ecutool.com/multi-function-auto-circuit-tester_9823.html

Sep 28, 2015 | Garden

1 Answer

Honda Hornet keep blowing dash fuses


Check for a short in the wiring. Sounds like after bumping along on a ride an exposed wire grounds and blows the fuses.

Apr 13, 2015 | 2001 Honda CB 600 Hornet S

1 Answer

Parking lamps and tail lamps blows fuse, dash lights don't work


First thing I would check is all frame grounds... like the negative battery cable and the grounding strap on the passenger side motor Mount to the wheel hub. In any electrical system, lights draw more current than anything (except the battery) when you turn them on... Check the grounds!

Mar 13, 2014 | 2004 Honda Accord

2 Answers

The radio won't turn on in my 2004 dodge neon


Has any work been done under the dash. Sounds like you have wire grounded to radio or something else the fuse sends power to.
Maybe you could unhook hot wire to radio. if fuse blows again you know it is not the radio.

Jul 30, 2017 | 2004 Dodge Neon

1 Answer

Channel B protection light is on and it blows 1 of 4 fuses. channel A runs fine --- help !


You likely have some semiconductor part failures on the side that is blowing fuses.

Put a 100 watt lamp in place of the fuse that is blowing so that you can test parts. The lamp will limit the current to a safe value and allow you to weed out the bad parts.

EXPECT that the power amp transistors (probably BOTH sides are bad (shorted) and that the probllem may have fried driver transistors and associated resistors back a stage or two. DO NOT replace the lamp with a fuse until the amp BALANCES with the lamp in place... one bad part left in fries the whole lot again!

Jan 06, 2010 | Music

1 Answer

Nec lt380 changed lamp for new one still doesnt work?


If the unit is powering up but the lamp is not igniting, most likely there is a problem with the ballast.(Ballast is the circuit that starts and then maintains lamp current) When starting the projector, it is sometimes possible to look directly into the lens and see small "lightning" flashes. This is the high voltage ignition current trying to start an electrical arc in the lamp. You can also hear a "clicking" sound--same thing. If the ballast is defective, the unit must be repaired at a facility--send it in directly--not through a store. If the unit is totally dead(no lights at all), there usually is a main fuse located near the power cord(inside the unit) that blows. If you've never had tech training, don't attempt to open the unit--it is very easy to accidentally damage components unless you know exactly how to remove the top cover.

Dec 30, 2009 | NEC MultiSync LT280 LCD Projector

1 Answer

The fuse has burned out in my projector benq MP610. So I opened the projector to replace it : same result. I verified, the lamp is also burned out. Do you think the burned out lamp can make the fuse to...


before a lamp blows it draws more current than it usually uses, but since it uses dc, it couldn't blow the ac fuse. but if the regulators on the ballast or power supply were bad, it would blow the lamp and draw ac power, possibly blowing the fuse.

Dec 02, 2009 | BenQ MP610 Multimedia Projector

3 Answers

Turning off


Have you replaced the lamp? shut down problems come from several things but the most common is lamp current draw, thermal shut down (fan clogged), and bad ballast .I'd start with the lamp.

Jan 06, 2008 | Sony Grand WEGA KF60XBR800 60" Rear...

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