M
Matthew PughSep 5, 2025
What to do if Tennant Scrubber vacuum fan won't turn on because of optical sensors?
- GGary NguyenSep 5, 2025
If the vacuum fan in your Tennant Scrubber won't turn on due to optical sensors, it might be because the recovery tank full sensors are dirty (clean the sensors and reset the key switch), there's an oily/ink film buildup on the recovery tank sensors (use the correct detergent), or you're operating in bright sunlight (install sensor sun shields). You can also change to magnetic sensors.