Discussion:
Error Code 91 on my Yale Electric Forklift

Anyone ever see Error 91 in the Display? The forklift still runs but flashes Fault Code #91.

The number is so high, I think it may be an electric fault of some kind.
Thanks in advance
  • Posted 16 Sep 2012 05:59
  • Modified 16 Sep 2012 05:59 by poster
  • Discussion started by HikerBiker
  • California, United States
Showing items 1 - 4 of 4 results.
I have the same issue with my forklift. Any idea where the sensor is located or if there's a way to bypass this sensor? My motor is definitely not getting hot as it immediately displays the code upon turning the forklift on. Everything operates normally even after running for over an hour.
  • Posted 13 Mar 2021 02:31
  • Reply by Cody_Parsons
  • Washington, United States
Cody Parsons
That is correct. Water got on the ACDrive and also on the battery. It did not stop the lift from running but slowed it down. A few hours in the hot sun and it is good as new. Thanks for your help.
  • Posted 17 Sep 2012 00:45
  • Reply by HikerBiker
  • California, United States
Status Code is indicated as a flashing number on the
instrument panel display. The lift truck speed will be
reduced when either the hydraulic pump motor or the
traction motor are too hot.
EV-T100
Possible Cause
Hydraulic pump motor is too hot. Temperature sensor has
closed to battery negative..
Permit the hydraulic pump motor to cool.
Other causes.
PA2 [or TMM1 (TB3)] has a short-circuit to battery
negative.
There is a short-circuit in the sensor wires.
There is a short-circuit or other malfunction in the sensor.
  • Posted 16 Sep 2012 19:14
  • Reply by geroj
  • Krivan, Slovakia
please post model and serial number
  • Posted 16 Sep 2012 10:16
  • Reply by hysterbrazil
  • rio de janeiro, Brazil

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