Question about Drills
Fuse in charger keeps blowing i think transformer is gone where can they be got or new circuit board. Rang hilti they dont sell circuit boards
If the fuse is blowing before the battery is installed to charge, the problem lies on the circuit board. Since it is most likely a switch mode supply, you might try replacing the electrolytic capacitors first. Then check what should be a MOSFET, although some may have a regular bipolar transistor as well.
If the charger blows the fuse when the battery is installed for charging, the battery has some shorted cells that overloading the charger, or the contacts are distorted and being shorted by the battery
Posted on Feb 18, 2012
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Posted on Jan 02, 2017
if the light on the charger are functioning ok. the problem is most probly the batterys. they dont last forever, replace the batteries and you should be ok.
Posted on Aug 12, 2010
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