Crown PE4500:
no power little fuse good

does any one know why the unit wont power up, battery voltage is correct and the small fuse that normally causes this situation is good, replaced and tested with a meter?????
  • Posted 4 Jan 2021 12:54
  • Discussion started by jef_bates
  • Ohio, United States
jeffery m bates
Showing items 1 - 6 of 6 results.
Go after the K1 Relay.

Same thing can happen to Crown SP 3000, 3400 & 3500.
  • Posted 6 Aug 2021 19:18
  • Reply by LaGrange
  • Missouri, United States
Strong in mind, Strong in Health.
Agreed, I would start with relay and dist boards. then can wiring between modules
  • Posted 6 Aug 2021 01:33
  • Reply by Triggs
  • California, United States
Just trying to go home with all 10
Responding to the TSP not starting: I would suspect either your key switch or K1 relay. Most of the time if you can turn and hold your key switch to start and it starts up fine but shuts off when you let go it is a bad K1 relay.
  • Posted 6 Aug 2021 00:57
  • Modified 6 Aug 2021 00:58 by poster
  • Reply by 1CrownTech
  • Washington, United States
If naval aviation were easy, we'd let the Air Force do it!
1crowntechnician@gmail.com
I posted to the wrong one.
  • Posted 5 Aug 2021 23:24
  • Modified 6 Aug 2021 00:56 by poster
  • Reply by 1CrownTech
  • Washington, United States
If naval aviation were easy, we'd let the Air Force do it!
1crowntechnician@gmail.com
Want to pick your brain Triggs... I have a TSP6000. When I key it on access 1 will come on, but as soon as you let go of the key it goes off. No blown fuses. Key switch is working as it should. I'm pretty new to all this and LOVE electrical components... when all you have to do is swap them around that is lol. Any help would be greatly appreciated.
Have you checked keyswitch? Voltage, wiring condition, switch resistance
  • Posted 5 Jan 2021 02:15
  • Reply by Triggs
  • California, United States

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