Crown SC4510-50:
Shuts down completely using Forward/Reverse or any hydraulics

Event codes stored are 303, 111, 313 and is messaging low brake fluid which i need to look into also. The parking e-brake switch is loose and doesn't rock completely into engaging the brake when parking. Sometimes the truck will move after turning key on and off. Some times the hydraulics will work if you use them while traveling. 9/10 times truck will just power down completely trying to use and controls/throttle.
  • Posted 18 May 2021 11:32
  • Discussion started by john_johnson
  • Florida, United States
Showing items 1 - 6 of 6 results.
Alright !

Glad to hear the good news.

Crown BDI's can be notoriously inaccurate.
  • Posted 22 May 2021 13:14
  • Reply by LaGrange
  • Missouri, United States
Strong in mind, Strong in Health.
I tried my other crown's battery on it and it functioned correctly. Thank you very much for the help. I don't understand why the BDI on the display can be so high with that low of voltage. I'm charging up a spare for it right now.
  • Posted 22 May 2021 12:57
  • Reply by john_johnson
  • Florida, United States
miami, florida
The voltage came back 34.9v and when i plugged it back it was at 65% BDI -one cell slightly low but i filled it up
  • Posted 20 May 2021 05:02
  • Reply by john_johnson
  • Florida, United States
miami, florida
SC 4500's don't use Brake Fluid.

The Return Spring for the Brake Pedal might be stuck due to rust.
You can lubricate it with chain lube.
  • Posted 19 May 2021 13:12
  • Reply by LaGrange
  • Missouri, United States
Strong in mind, Strong in Health.
Thanks for the reply

I dont know if they are simultaneous. I just scrolled through the events back to event 15 and those were the only 3 on the list. The BDI said 100% when i loaded for transport maybe dropping to 80% after getting back and driving it across the building and testing it out a bit. I'll check the water levels and voltage tomorrow and swap the battery out with known good one if I can.
  • Posted 19 May 2021 13:02
  • Reply by john_johnson
  • Florida, United States
miami, florida
Have you tested battery voltage ?

I'll bet the battery is drained, way below 20% State Of Charge.

That many error codes at one time usually means very low voltage.
  • Posted 18 May 2021 20:35
  • Reply by LaGrange
  • Missouri, United States
Strong in mind, Strong in Health.

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