I am getting bored with seeing this amp sit in the corner of the basement collecting dust. I had it fixed once by a local repair shop (highly recommended in the area), and it blew on me when I hooked it up. Upon the re-fix of this same amp, it was installed by the shop installer, only to emit a disgrunteling pop as it died again. They wern't happy now, and I could see this. The third fix was then handed back to me months later, as I installed it in the truck, got some noise, began jumpin around like a 12 year old in a candy shop, and then.... ZERT. It truely must be the cursed amp. I have given MA lots of patience, but here it is 3 years later and my Memphis ST1000D still hits every note without a hitch. I'd be fine with it so long as I don't crave more, but I do. Do you have any info on how I would send an MA Audio product back to the manufacturer for repair? I'm already 245 bucks deep in repairs on this bad boy, but if it gets me an amp that will power my Immortal Series 15, that'd be worth looking into. Sorry this is so long. Mike
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Re: MA Audio HK4002
Well if the Repair shop comes highly recommended, they should not have charged you if the repair did not last. I run a repair shop and everything I repair comes with a 90 day warranty. No way will MA take your amp back now that a repair shop has busted into it. I can feel for you about wanting it to work. I am very surprised you still are trying. I do not have a remedy that will be free. Get yourselof on track with a new amp for Christmas, keep the receipt this time and try the manufacturer first before going to a repair shop. I know I might get a bad vote on this comment. Sorry
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electric heaters sitting unused for long periods , collect dust on the elements and moisture from the atmosphere
when turned on the dust burns off and the elements crackle as the moisture boils off
it should stop after around 5 minutes but if it doesn't then the next step is to take it to an appliance repair shop for an electrical check
Intermittent power problems are a total pain to nail down so Unfortunately the best advice I can give might narrow it down a little. I would look at two things that I've seen cause this.
One is the TV is simply overheating. Due to the way they are designed they pack a lot of electronics into a tight container and there isn't that much airflow. So what can happen is dust will collect inside and cause it to get hotter than normal. If you have laptops or desktop computers they have the same problems. If you have gas heat, smoke, have pets, use a lot of perfumes or the TV is near the kitchen this makes it worse.
You can use compressed air to blow out the TV and see if this help. You won't get more than a good puff of dust but that's all it takes. Do this once a year and you should be fine.
Unfortunately the other problem is usually capacitors in the power section going out on you. They overheat and cause the power section to reset or restart, This requires a repair shop to fix. Check your warranty to see if you can get it fixed for free. If not you need to check out if any shops will fix it. As a word of caution check out the cost of a new replacement before getting it fixed. You might find that the shop will charge enough that a new TV is not much more than the repair bill. Sometimes its a cheap fix but...
The problem is that the output amplifier section has a problem and the protection circuits are shutting down the system to prevent further damage. This should be a simple repair for any local service shop. If you can't find someone local, look up at the JVC website for an authorized service center. Use your zip code to locate the closest one.
Air conditioners remove moisture from the air. The water collects in the base of the unit. Under normal conditions this water will be evaporated out of the unit. However, it is possible for some water to sit stagnant in the base of the air conditioner for extended periods of time. There is no easy way to prevent this problem. The problem will be reduced if you carefully clean the base of the inside of the air conditioner at least once a year. That will keep any dirt, lint or dust from absorbing the water and allowing mold and mildew to grow. Also, replace the filter behind or in the front cover.
also check the drain ,to make sure its draining properly
If this helps please give me a fix ya vote
If the low impedance light is on, the amp probably has shorted output transistors. If you don't know of a good local repair shop, call 'several' of the local audio sales/installation shops to see who they use. If more than one audio shop recommends the same repair shop, they probably do good work.
It sounds like the power supply has failed (burnt smell). Any local shop that repairs car audio should be able to repair it. If you don't know which shops repair car audio, call the local car audio dealers and ask them who they send their amps to for service.
Your Amp is in protect. Disconnect your subs and turn it back on. IF the led goes back to green the you have a blown Sub and it will need to be replaced. If the amp stays in protect even with the subs removed the the amp is toast.