Articles by tag "contactors chattering. chattering"

1. 356. Support: Why is the Heater indicator light constanting clicking on/off?
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   The cause of the heater indicator light clicking on/off, is because of a combination of air and water flowing through the heater tube. This activates the pressure switch on/off continuously. Do Not allow this to continue happening, or the contactors will burn out. Burnt out contactors may affect ...