Discussion:
Komatsu FB15EX 11. Error codes: E23 and E50

Hello friends!
I'm from Kazakhstan and i need your help!
I need to repair Komatsu forklift FB15EX-11 with codes E23 - motionless, E50 - when the steering wheel is turned to the end.
What i need check?
The hydraulic system does not work and steering system does not work too.
Best Regards!
  • Posted 5 Feb 2016 17:19
  • Discussion started by ruslan_a
  • Karaganda, Kazakhstan
Showing items 1 - 3 of 3 results.
Please tell me where is it on scheme? Do you have it?

1. the flywheel diode - ?
2. the hydraulic power transistor - ?
3. bad printed circuit board - ?

Is it important that error E23 appears when the ignition is on and error E50 appears when turn steering wheel to the lef/right against the stop?

Nothing works in forklift.
  • Posted 8 Feb 2016 16:15
  • Reply by ruslan_a
  • Karaganda, Kazakhstan
Hello dear Marcb!
Thank you very much.
I will tell it to mechanic.
  • Posted 8 Feb 2016 15:36
  • Reply by ruslan_a
  • Karaganda, Kazakhstan
hey Ruslan,
error 23, short circuit in the flywheel diode
error 50, short circuit in the hydraulic power transistor
bad printed circuit board
Kind regards
Marcb
  • Posted 6 Feb 2016 01:28
  • Reply by marcb
  • ANTWERP, Belgium

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