Crown WAV50-118:
Crown Wave Intermittent Slow Travel

Been fighting a Crown Wave that has in intermittent slow travel issue. No fault codes are set in active or historic faults when this occurs.
Both speed and operator presence override switches are in fast / safe mode when this occurs, but travel speed is reduced to a creep at same speed as when operator presence switch is in bypass mode.
Problem seems to clear when keyswitch is cycled.

Problem has been very intermittent and hard to duplicate. I have only been able to make it occur twice. Once when I deliberately hit a bump hard enough to shake the truck, and once for no apparent reason. I suspect a loose connection somewhere, but have been unable to locate anything thus far.
  • Posted 2 Dec 2016 01:07
  • Discussion started by FarmallFixer
  • Kansas, United States
Showing items 1 - 9 of 9 results.
Did you lose the high speed input for both puf and ff travel?
  • Posted 5 Aug 2022 06:55
  • Reply by Kyle_Johnstone
  • Wisconsin, United States
Thanks for all the input guys!

Finally got this thing to act up in a repeatable manner.
Throttle is showing 100% and batteries are fully charged.

I'm losing my Hi speed switch input to the controller, and seem to have lost if for good finally.

Schematic doesn't clearly show which switch it is. Can anyone clarify what it is called?
I suspect it is shown as HSS in the schematic, and looks to input to the dash display, which then signals the controller via CANBUS.
Switch itself tests good.
Am I right?
  • Posted 23 Mar 2017 03:02
  • Reply by FarmallFixer
  • Kansas, United States
Is battery light flashing on BDI. If so get init charged.
  • Posted 7 Mar 2017 09:31
  • Reply by lucius_m
  • California, United States
It sounds like the unit is doing what it is supposed to do, check your traction speed pot it could be going bad, usually if there are no fault codes and it will not travel the right speed it's in the speed pot accelerator circuit, Good Luck..
  • Posted 14 Dec 2016 09:27
  • Reply by BarryMar
  • Texas, United States
Don't see any switches changing when this occurs, and batteries were replaced about 6 weeks back, with genuine Crown ones. All connections at batteries are good and batteries are fully charged.
  • Posted 14 Dec 2016 08:16
  • Reply by FarmallFixer
  • Kansas, United States
Check your batteries they may be going bad.
  • Posted 10 Dec 2016 09:22
  • Reply by BarryMar
  • Texas, United States
I work on Turret trucks..
With the handset you can check the height switches and presence switch inputs, sounds like an issue with one of those.
  • Posted 9 Dec 2016 16:30
  • Reply by techno_nz
  • Canterbury, New Zealand
Thanks Popeye,

Gate switches show open/closed properly when monitoring with Curtis handset.
The truck slows down when gates are closed, but the slow travel speed I am getting is even slower than the gate closed speed.
  • Posted 9 Dec 2016 00:36
  • Reply by FarmallFixer
  • Kansas, United States
Check your gate switches and connections. Truck will slow down if only one or both gates are closed.
  • Posted 3 Dec 2016 23:52
  • Reply by popeye
  • Ohio, United States

Having trouble using the Discussion Forums? Contact us for help.

Forkliftaction.com accepts no responsibility for forum content and requires forum participants to adhere to the rules. Click here for more information.

Fact of the week
In a room of just 23 people, there is a 50/50 chance that at least two people have the same birthday. In a room of 75 people, there's a 99.9% chance of at least two people matching.

PREMIUM business

GemOne
Telematics for industrial fleets. Fleet & safety management solutions: track vehicles, boost efficiency, operate safer, & avoid unexpected downtime.
Upcoming in the editorial calendar
DIGITISED STOCK CONTROL AND FORKLIFTS
May 2024
PRODUCTION OF MATERIALS HANDLING EQUIPMENT IN NORTH AMERICA
Aug 2024
Global Industry News
edition #1179 - 16 May 2024
This week we bring news of big industry players expanding their companies with cross-border acquisitions and investments... Continue reading
Fact of the week
In a room of just 23 people, there is a 50/50 chance that at least two people have the same birthday. In a room of 75 people, there's a 99.9% chance of at least two people matching.