Project Overview
A Battle Creek heating pad that had been in use for over ten years stopped warming up. Instead of spending about $200 on a new one, we repaired it.
What Was Done
- Opened the pad and traced the circuit with a multimeter
- Found the failed part: the temperature sensor that tells the pad when it has reached temperature
- Replaced it with a new sensor that cost about $5 and sealed the connections with heat shrink
- Tested it thoroughly before closing it back up
Results
- Repair cost: about $5, compared with about $200 for a replacement
- One more appliance kept out of the landfill
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