fuse jumped

[vlkcheng]

Hi all. I've got Denon 3805 and DVD 3910. I was watching Pirates of the Caribbean, dead man's chest tonight. My fuse jumped 3 times during the entire movie. ie: tv, fridges, light, etc, everything went out for 3 secs before coming back again. It all happened when there was a sudden loud noise eg : gun shot or explosion. Now can anyone tell me whether that was from my house's safety switch board or was it from the receiver's safety circuit? Before this, it has happened once before but I was listening at insanely loud level. In the end, I was watching the movie at very low volume which wasn't fun at all as I was so concern that if it does it again, it might damage my fridge or tv. What can I do to prevent it happening next time while still able to enjoy my movies. Thanks

 

[agarwalro]

My fuse jumped 3 times during the entire movie. ie: tv, fridges, light, etc, everything went out for 3 secs before coming back again.

I have never heard of an electrical fuse or circuit breaker that resets itself after a blow out. They are not designed to do it... Now you did not mention having to reset the "Fuse" manually. So, is your area known for poor quality power supply or do you have your whole house on a UPS system? The power demand from your HT might be causing the line voltage to dip below the minimum level for the appliances therefore causing a temporary blip.

Now can anyone tell me whether that was from my house's safety switch board or was it from the receiver's safety circuit?

It was definitely not from the receiver. It may or may not be related to the switch board. Cant say...

What can I do to prevent it happening next time while still able to enjoy my movies

Have a trained professional inspect the electricals in you house immediately. Your situation might be a fire hazard as well... a majority of house fires start due to an electricals fault.

 

[Resident Loser]

That's...

...like 3 steps beyond weird...fuses/ckt breakers don't go that way...you must replace blown fuses or manually reset tripped breakers...but...there is the possibility that your main service connection is loose (or the fuse or it's internal element is loose OR the breaker isn't seated properly or somehow defective) and that your volume levels are so high that the LFEs are creating structure-borne vibrations causing this intermittent outage...and if that's the case, I'd be worried about what those SPLs might ultimately do to your hearing...beyond that, any sort of over-arcing loose connections, etc. might be responsible for should be cause for concern...

jimHJJ(...like the man said, you may wanna' get Sparky out there to give things the once over...)

 

[vlkcheng]

Thanks for the feedback. Yes you guys are right. How can it be a circuit breaker without manually flick it back to ON again. There must be some fault with my circuit breaker or wiring. I was not listening at insane level. It was at -18dB when it happened. Now do you call this loud. The second time it happened, it was at -20dB and the third time at -23dB. I ended up watching the movie at -26dB which I eally have trouble listening to the conversation. I am running my receiver, TV, DVD via a power conditioner which supposed to level out dips and peaks. You guys are right, I need to get the electrician out to check out my circuit board.

 

[skizzerflake]

Hi all. I've got Denon 3805 and DVD 3910. I was watching Pirates of the Caribbean, dead man's chest tonight. My fuse jumped 3 times during the entire movie. ie: tv, fridges, light, etc, everything went out for 3 secs before coming back again. It all happened when there was a sudden loud noise eg : gun shot or explosion. Now can anyone tell me whether that was from my house's safety switch board or was it from the receiver's safety circuit? Before this, it has happened once before but I was listening at insanely loud level. In the end, I was watching the movie at very low volume which wasn't fun at all as I was so concern that if it does it again, it might damage my fridge or tv. What can I do to prevent it happening next time while still able to enjoy my movies. Thanks

It could be that the receiver is plugged into a circuit that is overloaded. If the fridge and lights are on the same circuit, a big current surge that is needed to supply a video explosion might push the circuit past its limits. You might want to check into this because an overloaded circuit that doesn't blow could cause a fire.

 

[philh]

Wow, that's like the time lightening hit a neighbor's tree at the exact instant of an on screen explosion. I thought my newly built sub was the bomb (it is, but not that good, LOL). There's no way to pull down the entire house power without something significantly wrong. Play the movie again, and if it does it again, immediately call an electrician.

 

[mtrycrafts]

If the fridge and lights are on the same circuit,

I think that would be a code violation? Such appliances need its own breakers, no light, on it.

 

[philh]

I think that would be a code violation? Such appliances need its own breakers, no light, on it.

Talk about assumptions, I assumed the appliace was on it's own circuit, and the whole house was "dropped" voltage? This is a weird one and doesn't make sense to my small minded Mechanical Eng brain.

 

[mtrycrafts]

doesn't make sense to my small minded Mechanical Eng brain.

Not small, just a different avenue and just as big

 

[dbpolk]

The electrical phenom and noise was the auto reclosure at the utility company trying to reclose the utility lines on a short. It tries to close in three times and when it can't it goes open and stays that way (lights off!). The loud noise is the fuse on the transformer blowing. Sounds like a shotgun. All very common;

 

[philh]

The electrical phenom and noise was the auto reclosure at the utility company trying to reclose the utility lines on a short. It tries to close in three times and when it can't it goes open and stays that way (lights off!). The loud noise is the fuse on the transformer blowing. Sounds like a shotgun. All very common;

Pure coincidence it occured during loud segments of the movie? VLKCHENG didn't indicate the power went out and stayed out.

 

[vlkcheng]

Thanks for all your reply. I still haven't got the electrician out to my house yet. Haven't got time, it's close to Christmas. It only happened with that particular movie. I had no problems what so ever with other ones playing much louder. The lights are in 2 separate circuit breakers; the power, 3 separate ones. Air cond, oven have their own separate breakers and then there is a master circuit breaker. But maybe I run a power conditioner which is pluged to one socket and it supplies TV, DVD, A/V receiver and set top box which might overloaded that particular socket.