Yale ESC030G4:
Control Issues

Yale Erc030G Ser 251637
GE 185 System

Accelerates smoothly until reaches Top SCR Speed then cuts out or "STALLS" once Accelerator is released it will function normal up to top scr speed then does the same thing contactor stays engaged until you release the accelerator. did jump out the themal protector
  • Posted 8 Feb 2018 06:43
  • Discussion started by Grant95
  • Minnesota, United States
Showing items 16 - 18 of 18 results.
1A will come in when the switch is engaged but if you hold the accelerator lets say 3/4 throttle the once it reaches top scr speed it will cut out. After it cuts out if you then engage the 1A contactor there is a delay then the 1A will come in and the motor jumps and continues to run until you release the 1A switch
  • Posted 9 Feb 2018 01:25
  • Reply by Grant95
  • Minnesota, United States
I would check the high speed contactor. make sure it has both positive and negative voltages when commanded. Brake may also be dragging. If it has contactor drivers. switch them around if no negative to A1 contactor.
  • Posted 8 Feb 2018 11:35
  • Reply by ifsmike
  • Massachusetts, United States
when all else fails ,stand back and observe
I dont have much experience with this older system....but you can download a maual and troubleshooting guide from flight sytems....www fsip dot biz.....
This might help you in the right direction...they offer alot of GE and other sytems controller guides and troubleshooting
  • Posted 8 Feb 2018 07:38
  • Reply by kevin_t
  • Pennsylvania, United States

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