Discussion:
EP20kc error code 30

Hello, I have a problem with a cat ep20kc serial number ETB7A-005XX, it shows error code 30 when it is running for around 1 hour (when it goes hot), anybody knows what this code means? I tried with the little logic card in the right side (the one with a conector in the left side and other connector in the down side), tried also the traction transistors, and the pump transistor with no good results... Any help will be so much appreciatted.
  • Posted 10 Aug 2014 21:46
  • By jose_p
  • joined 10 Aug'14 - 2 messages
  • Kentucky, United States
Showing items 1 - 1 of 1 results.
code 30 is a pump motor fault

possible causes:
- Faulty pump motor circuit
- faulty line contactor
- faulty diode
- faulty pump motor wiring
- faulty head capacitor
- faulty T1P IGBT
- faulty current sensor CS
- faulty wiring in other parts
- faulty drive board

these are all the components that can effect this code.
you have already ruled out some of them , check the others listed here.
  • Posted 1 Sep 2014 01:51
  • By swoop223
  • joined 23 Mar'12 - 3,691 messages
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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The black box flight recorder was invented by Australian scientist David Warren in the mid-1950s. While initially met with indifference in Australia, his invention gained international recognition, particularly in the UK, and is now a mandatory piece of safety equipment on all commercial aircraft.