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ICS M4 Firing without pulling trigger.


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Old September 22nd, 2014, 14:27   #1
Join Date: Aug 2011
Location: Brampton Ontario
ICS M4 Firing without pulling trigger.

Hello everyone, I have an ICS metal M4 with the split gearbox. Yesterday when I pulled it out of storage and hooked it up to a battery, it would continuously fire. I took it apart, it doesn't seem to be the trigger contacts sticking. On semi it work sometime and go I to little bursts of full auto, on fullauto it will just keep going and going. Also when I have it on semi, and I squeeze the body near the selector switch is would fire the gun. The gun has a MOSFET installed in it, but I got it that way, and have no idea what kind it is or how it's wired. Dunno if anyone has any suggestions, thanks!
Jamroxorz is offline   Reply With Quote
Old September 22nd, 2014, 14:35   #2
"bb bukakke" KING!
Join Date: Jul 2011
Location: Ottawa
pinced wire that's shorting... bad mosfet.
I futz with V2s, V3s and V6s. I could be wrong... but probably, most likely not, as far as I know.
lurkingknight is offline   Reply With Quote
Old September 22nd, 2014, 15:02   #3
NANA's Avatar
Join Date: Apr 2011
Location: Whitby, Ontario.
Had the same issue with my old ICS. As Lurking has said, best bet is a pinched wire or exposed wire some where. I would suggest having a look at the fet. Perhaps even remove the fet and see if the issue is still there. If it is not there then the fet was the problem. If the problem still happens then your best bet is a full rewire just to be safe.

Hope that helps.
Play with Honor. Call your hits.

Nothing just happens, You always have to strive...
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