(Topic ID: 197431)

Checkpoint coil issues

By HighTower

6 years ago



Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 6 years ago by HighTower
  • No one calls this topic a favorite

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Checkpoint coils (resized).jpg

#1 6 years ago

I seem to be having an issue I've been scratching my head about with my Checkpoint. Seems the entire list of coils 17 to 22 are all not working (3x turbo bumpers, both slingshots and motor circuit). I've run a switch test and all the switches are registering, but the coils aren't firing. Seems to be the entire bank out of action.

Any suggested places to start, I've tried tracing the wires and checking connectors and solder points at the coils, everything seems okay.
For good measure I replaced all the fuses as well.

Checkpoint coils (resized).jpgCheckpoint coils (resized).jpg

#2 6 years ago

To add to this, attached is the special coil diagram from the manual.
None of these are working, the issue seems to be isolated to this circuit.

checkpoint coil issue (resized).jpgcheckpoint coil issue (resized).jpg

#3 6 years ago

Not meaning to overstate the obvious but do you have 34V on the red wire that's common to all the coils?

#4 6 years ago

Check the power supply print header pins.
Reflow them all....

While you are at it, replace all the capacitors too (if they are still original).
Especial the small caps.
They supply the 5V and are known to fail and leak.

#5 6 years ago

Reflowed solder on CN3 and CN19 and replaced some aging caps on PCB. Fixed

Only now I seem to be getting errors in diagnostics for a few lights, switches and outlane coil

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