Crown FC-4000:
FU1 fuse blowing

Hello all, I have a Crown FC-4020- 50 and it keeps blowing the FU1 fuse, sometimes the fuse will last a month and sometimes the fuse will last a few hours. I am hoping someone can point me in the right direction, I have not even started to diagnose the truck, so I am hoping to have a little bit of direction before I start spending a bunch of time on it.
As always thanks in advance, you all are a great help.
  • Posted 20 Sep 2019 07:06
  • Discussion started by DTucker
  • California, United States
D. Tucker
Showing items 1 - 2 of 2 results.
I don't think that is the case but I will check it. I was thinking more along the lines of contactors getting stuck and causing a direct short.
  • Posted 25 Sep 2019 02:56
  • Reply by DTucker
  • California, United States
D. Tucker
Check the condition of the battery. High amps in the drive circuit. Maybe the operator is pushing pallets? 36v truck Shouldn't drop below 30v under load.
  • Posted 24 Sep 2019 13:26
  • Reply by Ifixit
  • Pennsylvania, United States

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