mountain vender Posted January 8, 2018 Share Posted January 8, 2018 I have a DN soda machine that will randomly vend Mt Dew instead of Coke, when Coke button is selected. Doesn't happen all the time, just randomly. All other buttons vend the correct sodas. I have not loaded Mt Dew in the Coke chamber, either. Any suggestions or help is appreciated, thanks! Link to comment Share on other sites More sharing options...
cvending Posted January 8, 2018 Share Posted January 8, 2018 Depending on what model ou have, check the STS to see if those columns are linked together Link to comment Share on other sites More sharing options...
AngryChris Posted January 8, 2018 Share Posted January 8, 2018 I was going to say a selection switch but since you say it ONLY happens to the coke WHEN you press the coke button, then the only two things that come to mind are a STS setting (very very unlikely) or maybe a wire is frayed or cut and it is causing the dew to complete the circuit rather than the coke. Link to comment Share on other sites More sharing options...
mountain vender Posted January 8, 2018 Author Share Posted January 8, 2018 Thanks for responses. It's a smaller older machine. 6 select....DNCB 276 ish.... Link to comment Share on other sites More sharing options...
arkhusker Posted January 8, 2018 Share Posted January 8, 2018 If the columns are linked via STS, the misvend will be consistent, like every third vend or something similar. Does the machine have a translucent selection strip? Link to comment Share on other sites More sharing options...
mountain vender Posted January 8, 2018 Author Share Posted January 8, 2018 It's a single price machine, in the coin mech. I'll check the wires, thanks Angry Link to comment Share on other sites More sharing options...
allen watson Posted January 8, 2018 Share Posted January 8, 2018 I’ve had this happen to my DN single price on a few occasions. It ended up being a sticky selection switch on two and the other one was a motor brake. Link to comment Share on other sites More sharing options...
AZVendor Posted January 8, 2018 Share Posted January 8, 2018 That will be a sticky motor brake on the column that vend wrong. That motor probably stop with both switch arms in the timing cam notch. That then causes the column to pre-select it's flavor because that motor starts as soon as a credit is set. You can try a new motor cluster switch or spray the motor brake pivots with glass cleaner to clean the pivots. Link to comment Share on other sites More sharing options...
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