Crown RR5700S:
codes 345

Truck gives intermittent code 345. When you first key on truck step on dead man and truck operates fine. If you stop and step off of truck long enough for ed contact or to drop out. Then step back on dead man, contactor pulls in and immediately codes and drops out. Have checked for loose connections, changed battery, replaced ed contactor and swapped access 4 module with another truck. Any ideas?
  • Posted 26 Mar 2017 04:34
  • Discussion started by robert_e
  • Georgia, United States
Showing items 1 - 6 of 6 results.
Hello was wondering if anyone ever figured out the 345 code and was it the 500 amp fuse?
  • Posted 25 Mar 2025 20:24
  • Reply by David_Slack
  • New York, United States
David Slack
Did anyone ever get this figured out ?
  • Posted 6 Oct 2024 01:20
  • Reply by Chris_Boba
  • California, United States
Cboba
Did you ever figure this one out ?
  • Posted 6 Oct 2024 01:19
  • Reply by Chris_Boba
  • California, United States
Cboba
Hello, any update on this problem on how it was done, i'm experiencing the same problem.I've done the same repairs but still 345 error persists.
Hoping for response.Thank you.
  • Posted 8 Nov 2023 19:46
  • Reply by James_Patrick
  • Arkansas, United States
patrick
Have replaced fuses, changed battery, swapped access 4 and access 3 with another truck, tightened all related connections, checked for shorts to frame. Checked for continuity in harness for ed contactor, installed new ed contactor. Truck operates perfectly when first keyed on, but when operator steps off of truck long enough for contactor to drop out then steps back on that it throws code. The contactor pulls in for just a second then drops and codes 345. Battery voltage seems to be good on power cables not the 2.5volt difference that is supposed to trigger code. It doesn't do it every time but probably 1 out of 4. In this warehouse operators constantly on and off of truck so rekeying every time is a nuisance. Any ideas.
  • Posted 30 Mar 2017 07:18
  • Reply by robert_e
  • Georgia, United States
Have you tried swapping out FU10 the 500 amp fuse for the circuit? It is a layered fuse and can cause odd problems at times.
  • Posted 26 Mar 2017 10:36
  • Reply by popeye
  • Ohio, United States

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