felix1047
Free Member
Hi, I have a Hymer B614. I'm having a problem trying to remove a faulty Water sensor unit from the fresh water tank and would appreciate any advice on how this can be done.
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Sorry, I don't know whether you can test the sensor with a meter and I'm not sure how to test the control panel. It may depend on which panel you have. Mine from 2003 for example has two meters with needles to display values; later models have LCD panels. With needle meters, it's easier to see if one of the meters is not working properly.Thanks again for the information. The probes on the unit are clean.Can you run a meter across the probes to check for functionality? How do you check whether the control panel is at fault?
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I'd forgotten that bit until you mentioned it.I have similar sensors on mine and went through the cleaning routine recently.
I tested the rods by removing the sensor, connecting it back to the control panel then shorting the rods to the common feed as @tonyidle suggests. However, I found that to test properly you have to short all the rods that would be in the water at a particular level. For example, shorting the common rod and the shortest one produced an error on the panel (Schaudt digital display). To test the 'full' position I had to connect all the sensing rods together, then short them across to the common.
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