Crown SP3020-30:
crown sp3020-30 brakes won't release

Units brake doesn't release with deadman, tested brake module and all voltages on test points match those of table in service manual, replaced magnetic coil and brakes still don't release. Leaning towards brake module but not 100% sure. Tow switch doesn't even actuate magnetic brake. Any thoughts?
  • Posted 7 Nov 2018 07:29
  • Discussion started by jack_d
  • Wisconsin, United States
Showing items 1 - 4 of 4 results.
Checked the upper gauge in brake assembly is correct
  • Posted 12 Jul 2019 06:27
  • Reply by cesar_c
  • New York, United States
It ended up being the brake module, tested good at all test points and fault LED wasn't lit up but it wasn't actually outputting to the coil. Installed rebuilt brake module and it works perfect now.
  • Posted 20 Nov 2018 06:11
  • Reply by jack_d
  • Wisconsin, United States
I will check that next time I am in there, thanks for response.
  • Posted 8 Nov 2018 02:54
  • Reply by jack_d
  • Wisconsin, United States
Try checking CA209 on the dist. board, I've had pin 3 burn a few times in the past.
  • Posted 8 Nov 2018 02:08
  • Reply by JMC1
  • Iowa, United States

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