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Unit dead

I have a Raymond model 8400 S# 840-12-93768
It has no functions the display on the handle does not light up I have 25.6 volts from the battery and to the controller and on the controller it blinks 1 red light then 5 yellow then 2 red and 1 yellow and then repeats its self, any help would be greatly appreciated.
  • Posted 6 Oct 2022 03:17
  • By Gotcha2000
  • joined 15 Dec'17 - 42 messages
  • Indiana, United States
Gotcha2000
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I believe you have a CAN communication breakdown. Since you don't have display operation, I would say your handle harness wiring and connections would be the issue.
  • Posted 6 Oct 2022 03:34
  • By ErichO
  • joined 26 Oct'21 - 83 messages
  • Washington, United States
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Fact of the week
The two internal cavities in our nose called nostrils function as separate organs. Each nostril has its own set of turbinates and olfactory receptors. The two independent organs work together through a mechanism called the nasal cycle, where one nostril is dominant for air intake while the other rests and is better at detecting scents.