rotary dial

I have a 6 bay self-serve and I am new to the car wash business and I am looking for some help diagnosing an issue. In all of the bays, when I put the selector on "Spot Free Rinse", in the control room nothing happens. That is, no pump is running, no water comes out of the high-pressure...

Hi all, Here’s the short of my situation. Insert money and the Dixmor led 7 registers correctly and begins to count down. For some reason, the rotary dial does not seem to turn on any of the functions. It was recently replaced and hasn’t worked since (back up Coin door so not too urgent)...