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Hi, It's a dental chair unit. And I have problem with this control board. When I switch it on, it keeps on trips like this. I don't know where to start with? I checked the board for the damage and fou

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  • danny tan
    danny tan Apr 04, 2017

    could be a bad capacitor or some component that spoilt. check the board for burnt marks..

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You might want to look at this:

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Posted on Dec 31, 2012

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No lights, won't run. Nothing. Worked fine yesterday.


Hello. Critical question--is the dishwasher on that GFCI circuit!? If so, (A) you might have voided any warranty and (B) you should NEVER have appliances with digital boards on a GFCI circuit. Why? Because the method GFCI breakers and outlets use to keep us safe(how they reference current to ground) can blow out the electronic control boards plugged in to the circuit they monitor. I am ALWAYS telling my customers to immediately switch out an outlet or breaker which is protecting a washer, dishwasher, or microwave. I know that electrical codes often mandate that a GFCI device be within 3 feet of a water source but the design engineers didn't think about that one...It often is buried in the users manual to NOT connect the device to a GFCI.
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