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1-800-265-6630 or 519-621-7651  

www.rutherfordcontrols.com

PDM-4

 

and PDM-8

Troubleshooting

Problem

Solution

Output LED’s do not 

turn on when powered.

- If using DC power, check input polarity.  

- Check that input power supply voltage is present and current 

capacity is sufficient for total current draw of all connected 

equipment.

Notes:

Reviews: