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[APD] Milwaukee pH controller problem
My ph controller is having some recent issues. Whenever it trips (turns
solenoid on) it seems to quickly "reset" the controller, which turns the
solenoid off. When it settles back out, it turns the solenoid back on (flow
position) and it happens again. It just started a day or two ago but I woke
up to it ringing (back, forth, back, forth) since the solenoid itself isn't
very quiet when closing.
I haven't cleaned the pH probe yet and it's older (1+ year), but it was
working well at the last test (3 weeks ago). The other possible problems
would be relay in the 120v plug for the controller is requiring too much
power and turns the controller off when actuating the relay (but it's never
done it before) and finally, some stray voltages are causing odd,
instantaneous readings in the pH probe itself (grounding probe might help?).
Anyone have similar problems? Cleaning the probe is the first order of
business... once I get a few extra minutes.
In Winston Salem,
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