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My rolan sp540 is blowing a fuse on red and yellow can it be the head

Had the board done new resisters,fuse

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My Kelvinator ESG21HRIA split system blew a fuse in the fuse box and now will not turn on!


to blow a fuse it must have a dead short ( probably vermin across live points)
when thee is a fault in a board (internal and external) it will run then shut down
I recommend that you have a kelvinator service technician come and check ti all out because if the system has been properly installed in the first place ( obviously not from troubles from installation), the units have an operation life span of more than 15 years

Oct 05, 2015 | Heating & Cooling

1 Answer

I soldered all the connections on my stereo system and I keep blowing my 5amp fuses I have the yello wire from the head onto pos + on my then I have the black wire on neg .also my red wire is on neg.


check the wiring as the red wire may be a positive power in wire and if you have it on the negative terminal that would amount to a dead short and that would blow the fuse
consider changing the yellow from the + terminal and putting the red wire there and if it stops blowing fuses the put the yellow wire on to the - ve
if that means that the unit doesn't work then touch it back on the + terminal
if that works the solder it there

Aug 13, 2015 | Cars & Trucks

1 Answer

I HAVE A 24VOLT TRANSFORMER WERE DOES THE RED WIRE AND THE YELLOW WIRE GO CONNECTED TO THE HEATER BOARD ST9101A 1014 THE MODEL RGDG-075AMGR


Generally the 24VAC terminals are marked on the furnace board. If it is blowing fuses, check for a short circuit in the thermostat wiring. I have found that the short is usually at the condenser unit where the insulation deteriorated. Many times caused by a dog or cat chewing on the wire. To test, remove the thermostat connections at the control board and power up to see if fuse blows. If it doesn't, you found your problem. Good luck.

May 12, 2014 | Heating & Cooling

1 Answer

A/c compressor keeps blowing fuse


Disconnect The AC compressor clutch, does the fuse still blow.

Oct 21, 2012 | Cars & Trucks

1 Answer

Horizon 4000 treadmill is tripping mains circuit breaker and blowing plug fuse


see my personal TIPS and test the motor.
2) the main board can be faulty, replace
3) lube the machine for a DECK belt , the resistance can be another cause.
4) lube the roller bearing too.
5) test the power supply for faulty
see the block.

God bless you
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Sep 19, 2012 | Exercise & Fitness

1 Answer

I no longer have any Red color. Only yellow and blue. I've fixed a problem with a fuse on the deflection board. That fuse kept blowing so I re-soldered the FBT and it worked for several months. Now...


The most likliest cause would be a issue with the RED CRT drive board around 35.00 from www.tvrepairworld.com it could also be an issue with the RED CRT itself but thats doubtful as usually the set will shut down if the CRT itself has an issue.

May 09, 2011 | RCA HD52W66 Projection Television

3 Answers

POWER UP AND IMMEDIATELY POWERS DOWN PC WORLD SUGGEST THIS IS A BLOWN MOTHERBOARD HOW MUCH IS A FIT MYSELF NEW MOTHERBOARD


This could be a power supply fault,check the volts on the red,yellow and earth lead(black)THE RED LEAD =5VOLTS
YELLOW LEAD=12VOLTS.WHITE=-5VOLTS
BLUE=-12VOLTS,PURPLE,=+3.3VOLTS
BROWN=+5VOLTS VSB
BLACK=GROUND.
Diconnect the pc mains plug from the computer.
Disconnect the power supply leads from the motherboard,and switch on and check the volts on all leads of all those I mentioned.If these are present when they are not connected to the main board,then the problem is with the motherborad,most likely the bios chip is faulty.This chip kicks starts the PC into coming on.Failing this send the PC back to where you bought it and let them fix it.
IT COULD ALSO BE THE MAIN ON OFF SWITCH AND THE CABLE ITSELF FAILING.CHECK THIS WITH AN OHM METER ON X1 OF THE RESISTANCE SCALE.DISCONNECT THE MAINS PLUG FIRST.

Aug 07, 2010 | HP Compaq Presario F500 F700 and G6000...

2 Answers

Have a Roland SP 540 V Eco Sol MAx printer/cutter. Magenta/Yellow print head clogged (hadn't been used in a few weeks) can't seem to get the ink to flow in those heads! Any idea other than head...


you should have to use the syringe method to **** the ink before anything, then make a powerful cleaning, test, you may have to do it several cleanings and should be solved.

Jan 08, 2010 | Office Equipment & Supplies

4 Answers

Roland sp-540v will not print even though the print head moves back and forth as though it is printing. This just started today. Yesterday it worked just fine.


you have a ink problem first check your pump is working read your manual cleaning prints . if heads are blocked get your old ink in waste and pour small amout on the heads to unblock them you might have to do it a few times put back together leave overnight and do a powerful clean and you may have to repeat  afew time read your manual its shows you how to pull apart 

Jul 28, 2008 | Office Equipment & Supplies

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