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code 742

i have a crown rc5500. keeps showing code 742. mast will not raise all way up. lift cuts off when mast is raised high. any help please?
  • Posted 22 Aug 2022 22:59
  • By arthur_white
  • joined 22 Aug'22 - 1 message
  • Georgia, United States
arthur white
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Might be related to the Lift/Lower Potentiometer.

Might be out of calibration or worn out.
  • Posted 23 Aug 2022 09:08
  • By LaGrange
  • joined 15 Sep'13 - 301 messages
  • Missouri, United States
Strong in mind, Strong in Health.
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From the forum discussions …
"Linde H30D BR 393 - Thanks to Techs from US, Poland and Slovenia for working on this problem: '...Does the engine run at full rpm when accelerating? Does engine rpm reach max as hyds engaged?'"
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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.