Mars 24v issue

[wyatt]

Hey! I’m wondering if someone knows the fix to this fault.

American changer with mars 24v.

Here’s what happens and how it reads on the screen.
-“fail” then I hear it cycle
-“validat. NoComm.”
-“fail”
- then back to normal operation

It does this every couple minutes.

 

[MEP001]

What does the validator do while the screen is displaying things?

 

[wyatt]

It cycles as if it’s taking a bill and stacking it, even though a bill has not been inserted.

 

[Randy]

When was the last time you cleaned the validator? I'd install my spare validator see if it the problem goes away. If the problem doesn't go away then it would be in the wiring harness or the controller.

 

[wyatt]

I'll take a look around for a spare, for whatever reason I seem to have a lot of spares but they are all 115v.