Hey we got this one.the buzz is the water valve solinoid energizing when you push the paddle for chilled water,so power is passing thru switches in your refer and getting to the water valve.[good]then we need the water to do its thing,and even though you said you changed the filter[i would'nt have yet],because there was work going on for the water lines.there may have been tons of minerals broken loose.the water valve also has screens to catch minerals and stop them from entering water valve.some water valves are not cleanable.if yours not im sorry replce the valve.if it is you will see the way as you inspect..................but heres a very important matter.before you replace valve,filter or anything that has been blocked by a mineral blast,flush your lines in a bucket.other wise you just recontaimanate with whats still in the lines.i know it took a lot of words to say a little.and it didnt come out just as i was thinking it but i hope that helps.God bless ,tom
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Thanks for your assistance, last night I loosened and tightened the filter housing several times. On the third try the water pressure blew the blockage clear. Thanks for your help, and for the record I changed the filter and then they shut us down with no warning.
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