Yale 523769-2 – DSC (Display Switch Cluster): DSC Fault - Arrow Up Button Stuck

Button Failure. The system detects that the 'Arrow Up' navigation button on the display panel is continuously engaged, either because it is physically jammed by debris/damage or because the internal membrane switch has failed in the closed (shorted) position.

• Yale and Hyster Forklifts
• Yale GLC050LX
• Fortis series
• Fortens series

1. 1

   Inspect the physical 'Arrow Up' button on the display panel for sticky residue, dirt, or physical damage that might be holding the button down.

2. 2

   Attempt to gently clean around the button to see if it frees up.

3. 3

   Verify the code is active by turning the truck power ON and checking the display.

1. 1

   Turn off the forklift and disconnect the positive (+) battery connection.

2. 2

   Remove and replace the display panel (Display Switch Cluster).

   See Electrical System 2200YRM1427 or Electrical System 2200YRM1327 for the exact dash disassembly steps.

3. 3

   Restore the positive (+) battery connection.

4. 4

   Turn the truck power ON.

5. 5

   Press and hold both the 'Scroll' arrow buttons simultaneously for two seconds.

6. 6

   Check the screen to see if any fault codes (DTCs) are still displayed.

   If YES: Proceed to the troubleshooting procedure indicated by the new DTC(s). If NO: The repair is complete and the system is functioning normally.