Our Bathroom Grey tank, and associated level indicator (sink and shower) has operated with no issues since new in Dec 19. Now all of the sudden I'm getting 4 lights on the status board. I'm confident that the tank is as empty as possible and I'm wondering, since there are no items going down the sink or shower that are similar to what goes down the toilet, I can't figure out why I'm getting 4 lights, or what it could possibly be than might be interfering with the high point indicator, other than the possibility of an indicator gone bad, which is only a guess on my part.
All tips and experience on this issue are appreciated.
All tips and experience on this issue are appreciated.
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