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Silent Starter
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May 8, 2020

PM8500 Amplifier Power ON /OFF itself

Hello Friends,Our Multipurpose Hall Pm8500 amp 16nos(5year old) installed. out 6 nos have issue that when turn on the Amplifier  All indication led lights up then Amp Turn off itself and turn on this will continue ..if I put amp in  standby mode amp will stay normal. 5 amps have same issues.help pls...1588924646755547462068398827761015889248214128458786788094116059

6 REPLIES 6
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Bose Employee
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Oct 27, 2017

Re: PM8500 Amplifier Power ON /OFF itself

Hello Athma878,

Thank you for contacting us.

I've noticed you posted this issue twice [LINK]?
I will used this post to continue on this issue.

Can you tell us a bit more on how this happened as multiple amplifiers suddenly have the same issue after they function well for many years?
Did they have some kind of power failure?

You say you can put them in standby mode. This means that the PowerMatch amplifiers do boot correctly (so you can put them in standby mode), but after some time they reboot? After how long?

Have you tried to disconnect everything (network, input lines and loudspeaker lines)?

Can you provide us:

  • Serial numbers of the PowerMatch amplifiers?
  • Full error log (in the photo it starts at error 40...)
  • Design file

Is there a way to contact you directly (by phone?).
Please send it to me by a private message, if you want.

BR
Arno

CAS-19533-J5H2Q6

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Silent Starter
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May 8, 2020

Re: PM8500 Amplifier Power ON /OFF itself

Hi Arno.. how can I send a personal msg to u. there's no option here

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Bose Employee
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Oct 27, 2017

Re: PM8500 Amplifier Power ON /OFF itself

On the top right you should see you account.
Select Private Messages

Click Start New Private Message:

Enter my display name "Arno-at-Bose", Subject and Post Body

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Bose Employee
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Oct 27, 2017

Re: PM8500 Amplifier Power ON /OFF itself

Hello Athma878,

I haven't receive any contact detail yet, hope you can send it by Private Message if our help is still needed.

BR
Arno

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May 8, 2020

Re: PM8500 Amplifier Power ON /OFF itself

I didn't find that option on my Page.

Can u contact me through email or phone.

email - sanoop.athma@gmail.com

Phone- 96894957821

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Bose Employee
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Oct 27, 2017

Re: PM8500 Amplifier Power ON /OFF itself

Hello Athma878,

I understand my colleague contacted you and will handle this case with you.

BR
Arno