Discussion:
caterpillar EP20KT

s/n ETB5A-76210, 48v,dc motors--errors 17 and 19, proved H-bridge board faulty but when new board fitted-error 28 occurrs and mosfets of new boards go short circuit.-Refit original board and truck runs fine but still has intermitant 17 and 19 codes--now gone through 3 new boards---anyone any ideas.
  • Posted 20 May 2011 08:22
  • By gary_f
  • joined 8 Aug'09 - 57 messages
  • Malaga, Spain
Showing items 1 - 1 of 1 results.
Mira primero si hay derivación en la máquina. Por ejemplo en el motor de dirección. También puedes tener alguna derivación en los motores de tracción, alguna entrada de algún clip, por ejemplo. Lo mas importante mirar derivaciones.


Look here first branch in the machine. For example in the steering motor. You can also take a lead in the traction motors, one entrance to a clip, for example. The most important thing to look at referrals.
  • Posted 21 May 2011 00:03
  • By joram_s
  • joined 5 Feb'11 - 117 messages
  • madrid, Spain

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Fact of the week
The dot-com bubble, a period of large and rapid investments in internet-based companies, peaked in 2000 and saw the Nasdaq Composite index rise by 579%. Then the bubble imploded. As the value of tech stocks plummeted, cash-strapped internet start-ups became worthless and collapsed.