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Crown FC-4000:
Alarm sounding when key is on

Hello I have an FC 4000 that has an high pitch alarm that is going off anytime the key is on there are no error codes on the display. Lift and lower is ok but no travel. Thanks advance for any help
  • Posted 1 Aug 2022 23:46
  • Discussion started by Techman
  • Michigan, United States
I make them pick things up, and I make them put things down, and I make them drive around.
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From the forum discussions …
"Yale - Sounds like you either have a blown fuse or bad relay. Remove the floorboard and...look at the relays at the left side. With key switch on, check... Scroll down until you see a battery."
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