Crown WAV50-118:
Wave 50 will not lower

Hello
I have big problem. Wave 50-118 will not lower sometimes. The platform locks at different heights.
I have already exchanged:
-solenoid valve
-velocity fuse

I checked connections and buttons. Everything is ok :(

The only hint is that it always happens at low battery voltage.
Does anyone know what is the lowest coil voltage on the solenoid which the solenoid valve will open ?
  • Posted 13 Dec 2018 08:21
  • Modified 26 Dec 2018 17:40 by poster
  • Discussion started by Dziadzia
  • Torowa, Poland
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Showing items 1 - 4 of 4 results.
Check the motor cover switch's.
  • Posted 12 Jul 2019 06:24
  • Reply by cesar_c
  • New York, United States
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If you can still manually lower the platform after it stops, then the cylinder is ok. Check resistance through the lowering switch. If there is 1 ohm or more, that will give you lower-than-battery volts causing the coil not to work. Pretty sure under 20v....it will not always work
  • Posted 16 Dec 2018 03:40
  • Reply by Ifixit
  • Pennsylvania, United States
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No Codes :( I'm thinking maybe there is a problem with piston and spring inside the lift cylinder ??
  • Posted 14 Dec 2018 03:26
  • Modified 14 Dec 2018 03:32 by poster
  • Reply by Dziadzia
  • Torowa, Poland
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Any fault codes?
  • Posted 14 Dec 2018 03:07
  • Reply by tom_p
  • Alberta, Canada
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