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Rockola 481 max 2, mechanical overload light comes on, reset button resores play for a short time, what causes it?

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Sometimes a motor is too slow because it's dirty and more current is needed to turn it, so everything ramps up and overloads.

Posted on Nov 11, 2014

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Posted on Jan 02, 2017

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Hi I have a rockola 481 jukebox and when you turn it on a very loud deafening buzz constantly stays there ,if u play a record the overload light comes on. Dave


Can be from some mechanical parts, like small electromotors. Or from the supply power frecquency passing audio filters. Usually, changing condensers in power supply unit fix the problem.

Sep 10, 2017 | The Audio Players & Recorders

1 Answer

What causes a Rockola jukebox not to index?


I might be wrong about this but check inside for a switch marked Scan/off/play inside at the front of the mech. It should be in play position. Also check any circuit breakers and reset them on the upper back of the machine (inside). They look like the clicky end of a ball point pen.
After that I am stuck.

May 16, 2014 | Neonetics Rockola Jukebox Neon Clock

1 Answer

Overload


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on; or it may turn on but produce no audio to the speakers.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Nov 11, 2011 | Audio Players & Recorders

1 Answer

Trying to hook up Amphony 1600 wireless surround speakers but as soon as I switch the receiver to Surround with the DSP Sound Mode button it plays for a sec then says Overload and turns off. Does it even...


I'd suggest you try the basic speaker setup routine with tones to be sure all speakers work and none are shorted.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on; or it may turn on but produce no audio to the speakers.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Sep 16, 2011 | Technics SA-DX1050 Receiver

1 Answer

I have model #SA-GX190. Max volume level is 20 on this unit. When I put the level up to 5-7, the unit shuts down and displays "Overload" on the from panel. What causes this and what can be done...


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Jul 23, 2011 | Technics Audio Players & Recorders

1 Answer

I have a Sony HCD-ZX6. When I plug it in the power light comes on. When I press the power button, the stereo turns on for about 3 seconds. At that time all the lights flash and the power shuts off.


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as a possible root cause for intermittent shutdown.

Jun 06, 2011 | Audio Players & Recorders

1 Answer

Receiver is on but it quit playing through the speakers. All wires are hooked up. It'was playing and quit and will not play even if it's shut down for a period of time.


Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Feb 10, 2011 | Sony STR-DA80ES Receiver

1 Answer

My old jvc fs-s57 wont even start up. i got good power but the power button wont even put light into the machine


http://www.retrevo.com/support/JVC-FS-S57-manual/id/314ci260/t/2/


Generally speaking, an device protects itself from heat, shorts and overloads.

Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 14, 2011 | JVC FS-S57 CD Shelf System

1 Answer

Reset Button


your testing the no fault short or motor overload feature. the red light indicates you have power. no light no power.

Apr 02, 2008 | Karcher 2500 PSI Pressure Washer

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