Question about Brookstone Pure Ion Advanced Air Purifier Cleaner Ionizer 506840
I used a 120 50hz transformer and I think I burned up the power sully coil. I checked the circuit board and didnt see any burned circuits
I am an electrical engineer and I do not fully understand your question. If the unit is designed to operate on 50/60 Hz, it cannot be damaged by operating it at either of those line frequencies. Mnay products today will operate at either line frequency.However, if you used an adjustable voltage power transformer (a.k.a. "Variac"), you may have "under-voltaged" or "over-voltaged" the device. If there is a circuit breaker, try resetting it. Otherwise, there may be a circuit board-mounted fuse internally that is now electrically "open." That can be tested with an Ohmmeter for continuity. (Finding a replacement may prove difficult.)
Operating a line-powered device above or below its input limitations can permanently damage internal power supply functions and, perhaps, other circuitry as well.
Solid state components can fail "open" or "shorted." If they fail "open" they will not draw appreciable current to "burn" them in any obvious way.
Posted on Nov 26, 2014
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Posted on Jan 02, 2017
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