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BMS NO CAN CTR error message

Hi I've got a BMS NO CAN CTR error message. Battery also reads 0% but i know it's charged. As a matter of fact I have two batteries, both charged but read 0% when inserted into jack. Pallet jack won't move front or back and won't lift. Only horn works.
Tried replacing control unit, same results. Any idea what it might be?
  • Posted 12 Jul 2024 02:23
  • By Pasha
  • joined 12 Jul'24 - 1 message
  • Massachusetts, United States
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Showing items 1 - 2 of 2 results.
The Big Joe I am working on when first started looking at it would not move and the battery would sometimes read 0% and sometimes read 100% and alarm code 6.4 was on the display. The more I worked on the jack it would only display NO BMS NO CAN CTR. I check the wires #30 and #31 and had no continuity in one of the wires. I replaced the wire harness 1125-520001-30 and fixed the problem. The wires I checked are red and yellow wires that are twisted together. The wiring harness that is in the handle does have a resistor in it and it reads 120 ohms. To check the harness I disconnected the main controller, battery, and accelerator. I did look at the old harness and the yellow wire is broken where the handle pivots about 6" from where it plugs in to the handle harness.
  • Posted 31 Jan 2025 09:18
  • By Darrell_Clint
  • joined 31 Jan'25 - 1 message
  • Wisconsin, United States
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We had same thing happen to ours, Just had our bourd replaced a month ago, did you ever figure anything out?
Thanks
  • Posted 25 Jan 2025 05:47
  • By Levi_Westendorp
  • joined 25 Jan'25 - 1 message
  • Michigan, United States
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Fact of the week
Foundling hatches are safe, anonymous drop-off points for unwanted infants, allowing parents in crisis a way to surrender a baby safely without fear of punishment, ensuring the child is rescued and cared for. The concept started in the 12th century, was abandoned in the late 19th century, then reintroduced in 1952. It has since been adopted in many countries.