W woodsee81 New Member Messages 13 Jun 9, 2011 #1 hi had some probs with my sealey 150/5 blowing fuses pcb board fuses which it doesnt seem to be doing now,my problem now is i dont seem to have any control over the wire speed.it seems to shoot out and i end up worms of half melted wire please help
hi had some probs with my sealey 150/5 blowing fuses pcb board fuses which it doesnt seem to be doing now,my problem now is i dont seem to have any control over the wire speed.it seems to shoot out and i end up worms of half melted wire please help
^neo^ Member Messages 458 Jun 9, 2011 #2 If it's running at full speed then i'd say the pot is shorting out or knackered
shenion Tool Pack Rat Messages 7,586 Location Stone Mountain, GA USA Jun 9, 2011 #3 Most likely the drive transistor on the PCB has shorted.
W woodsee81 New Member Messages 13 Jun 9, 2011 #4 ^neo^ said: If it's running at full speed then i'd say the pot is shorting out or knackered Click to expand... hi thanks for the reply,im new to migs can i ask what the pot is? cheers
^neo^ said: If it's running at full speed then i'd say the pot is shorting out or knackered Click to expand... hi thanks for the reply,im new to migs can i ask what the pot is? cheers
W woodsee81 New Member Messages 13 Jun 9, 2011 #5 shenion said: Most likely the drive transistor on the PCB has shorted. Click to expand... any idea what could be causing transistor to short? cheers for the help.
shenion said: Most likely the drive transistor on the PCB has shorted. Click to expand... any idea what could be causing transistor to short? cheers for the help.
shenion Tool Pack Rat Messages 7,586 Location Stone Mountain, GA USA Jun 9, 2011 #6 If it was blowing fuses, then it was drawing too much current to drive the motor. That will overheat the transistor and it will short.
If it was blowing fuses, then it was drawing too much current to drive the motor. That will overheat the transistor and it will short.
^neo^ Member Messages 458 Jun 10, 2011 #7 woodsee81 said: hi thanks for the reply,im new to migs can i ask what the pot is? cheers Click to expand... Pot = potentiometer / variable resistor / volume knob / wire speed dial
woodsee81 said: hi thanks for the reply,im new to migs can i ask what the pot is? cheers Click to expand... Pot = potentiometer / variable resistor / volume knob / wire speed dial
W woodsee81 New Member Messages 13 Jun 10, 2011 #8 ^neo^ said: Pot = potentiometer / variable resistor / volume knob / wire speed dial Click to expand... ok cool thanks for that,looks like i may have bought a bit of a dud mig then!
^neo^ said: Pot = potentiometer / variable resistor / volume knob / wire speed dial Click to expand... ok cool thanks for that,looks like i may have bought a bit of a dud mig then!
