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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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a/c tripping circuit breaker
When I turn on the a/c in three separate rooms it trips the circuit breaker
after a few minutes. Any suggestions? Thanks for your input |
#2
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a/c tripping circuit breaker
PipoG wrote:
When I turn on the a/c in three separate rooms it trips the circuit breaker after a few minutes. Any suggestions? Thanks for your input don't do that? check your wiring? |
#3
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a/c tripping circuit breaker
Is it only one breaker that's tripping? If so, what current is the
breaker that's tripping rated for? If it's 15A or even 20A it may just be doing it's job, as A/C's can draw a lot of current, and 3 running off a single line could be drawing significant current when all the compressors switch on, etc... which may be why it takes a minute, just until they are all drawing maximum current. Check each A/C unit for it's current rating, if any, on the label. Add them up, and if the wire, lines, plugs, and breaker are all rated for the current, but it still blows, it could be a bad breaker, they do get old and sometimes just trip under less of a load then they're rated for. If you're experienced in electricity delivery you could try changing the breaker with an exact replacement, but of course there's 240VAC (usually) present at the breaker box at all times, even when the main breaker is shut off (the delivery to the main breaker stays on constantly), so be careful or you could get fried. Best to have an electrician come and check it if you're at all uncomfortable with doing it yourself. You could just test the line coming out of the breaker with a clamp on type current meter if you have one (you have to take off the front breaker panel, usually four large flat headed screws) before you try changing the breaker just to check out the current draw. Either way, be careful, all it takes is a slip of the screwdriver to hit one of the distribution blocks which aren't insulated and have lethal potential. On Tue, 22 Jul 2003 03:35:54 GMT, CJT wrote: PipoG wrote: When I turn on the a/c in three separate rooms it trips the circuit breaker after a few minutes. Any suggestions? Thanks for your input don't do that? check your wiring? |
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a/c tripping circuit breaker
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