Discussion:
Fault 1123

Hi my first post ok i have an efg320 2009yr it says err 1123 on dash when you first turn the key on then it goes through its start up test and then i can lift,steer but no drive has anybody any thoughts thanks
  • Posted 27 Jun 2012 02:57
  • By Markallen567
  • joined 26 Jun'12 - 8 messages
  • kent, United Kingdom
Showing items 1 - 10 of 10 results.
One of the brake micros does not work.
  • Posted 22 Aug 2023 00:08
  • By edmar_p
  • joined 18 Jan'13 - 49 messages
  • Guarulhos SP, Brazil
Edmar
Error refers to the microswitch in the brake left and right.
during the self-test, one of the switches does not work.

part number of the switch: 51103982

Photo location switch: https://we.tl/t-lqMvAZ8xtC
  • Posted 22 Aug 2023 00:01
  • By Forklift123
  • joined 11 Feb'21 - 36 messages
  • Netherlands
Mechanic of Forklifts, Aerial platforms & telehandlers in the Netherlands
Thanks, both swicth tested and working good. Problém no reverse, forward and acceleration.
FYI jungheinrich Hydrostatic drive, mode: TFG 450s
  • Posted 16 Aug 2023 09:31
  • Modified 16 Aug 2023 10:13 by poster
  • By Dimasa_Emmanuel
  • joined 10 Aug'23 - 3 messages
  • Papua New Guinea
Den
If it has hydraulic brake on front axle, observe if it moves when brake is moved
There should be a switch reading the position of brake. Check for switch malfunctions.
  • Posted 11 Aug 2023 05:44
  • By Tanel_M
  • joined 18 Jun'22 - 90 messages
  • Estonia
Hi, I have Jungheinrich forklift TFG 540s 4tone error code 1123.10 and the problem is no reverse and forward.
Thanks in advance.
  • Posted 10 Aug 2023 20:54
  • Modified 16 Aug 2023 00:53 by poster
  • By Dimasa_Emmanuel
  • joined 10 Aug'23 - 3 messages
  • Papua New Guinea
Den
Try adjusting the brake switch and check air gap on the brake units m, should be around 0.5mm min or 1.5mm max
  • Posted 7 May 2022 22:12
  • By Rodtrotter
  • joined 15 Jan'18 - 6 messages
  • hertfordshire, United Kingdom
Hi, I'm having the same problem on an EFG 220, can you help me where to find the micro switch on the brake assembly. thanks in advance Ignace
  • Posted 14 Apr 2022 03:55
  • By wittevro
  • joined 14 Apr'22 - 1 message
  • Belgium
I also have a 2ET4000 with the same code. However when I tested both micro switches they are working properly. So I thought maybe they were out of adjustment. I adjusted to their 0mm tolerance spec and I still get the same code. The machine goes through its self test with no codes showing. I press the parking brake button to get the yellow lights under it to go off and then the display just shows the red (P) parking brake icon. When you depress the travel peddle you can see the electromagnetic brakes pulse as to release and feel a little travel surge but the machine goes no where and then the electromagnetic brake switch activates and the machine throws the err 1123 code. When I cycle the key it goes away. The strange thing is when I press and release the travel pedal, as long as I don't hold it down too long the electromagnetic brake just pulses and never sets the code. It's only when I hold the pedal down like you would if you wanted to drive it forward or reverse it. Anyone ever come across this?
  • Posted 21 Jan 2015 03:23
  • By darek_s
  • joined 17 Jan'13 - 24 messages
  • Massachusetts, United States
2ET4000 with that same code and ended up being the micro switch on the brake assembly.
  • Posted 14 Aug 2014 02:24
  • By tomas_s
  • joined 24 Sep'10 - 60 messages
  • Bahamas, Bahamas
Hi found problem there is a micro switch above electronic brake that lets controller position of brake it was faulty
  • Posted 4 Jul 2012 05:10
  • By Markallen567
  • joined 26 Jun'12 - 8 messages
  • kent, United Kingdom

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