Hello!
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Here’s a manual for the Carter Hoffmann CW-2 chip warmer.
http://download.partstown.com/is-bin/intershop.static/WFS/Reedy-PartsTown-Site/-/en_US/manuals/CAR-CW2_iom.pdfÂ
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Looking at the troubleshooting page, there’s either a wiring issue, or your heating element is broken. There are wiring diagrams included in the manual, however, as the manufacturer noted, they are intended for use by technicians only.
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If you are not a technician, I’m sorry to say you will need to contact one.Â
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-John