Jan 01, 2014 If your dehumidifier's bucket isn't filling with water, the sensor assembly might be the problem. This DIY repair guide has clear, step-by-step instructions that explain how to replace a dehumidifier sensor assembly.Zenith Service Manuals Complete Service-Repair-Manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. We have proficiency in offering quality serv..