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Always beep when switch off the printer  

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ccc888
(@ccc888)
Active Member
Always beep when switch off the printer

Hi guys,

I assembled my printer several days ago. It works well except one problem:

Every time I switch the power off, I hear a beep from the printer. The next time I power it up and check the fail statics, the power failure counter will increment by one. 

I tried power the printer off with printer fully cool down, it didn't work. The only way I can shut it down without a beep is to press the reset button then switch off the power immediately. I don't think this is a normal solution.

 

Did anyone experienced the same issue? I live in USA and the voltage here is 120V and I'm using the latest firmware for MK3S. 

 

Thanks for any thoughts and help

Posted : 29/07/2019 11:18 pm
Erikp
(@erikp)
New Member
RE: Always beep when switch off the printer

I'm having the same issue. And it is not a subtle or quiet beep. Very annoying. The printer did NOT do this on the prior version of firmware. This has only been happening since I updated to the most recent version  3.7.2

I'd really like to disable it.

Posted : 30/07/2019 4:50 pm
Dave Avery
(@dave-avery)
Honorable Member
RE: Always beep when switch off the printer

are you switching off by the switch on the power supply or an external power switch ?

 

Posted : 30/07/2019 7:56 pm
ccc888
(@ccc888)
Active Member
Topic starter answered:
RE: Always beep when switch off the printer
Posted by: david.a66

are you switching off by the switch on the power supply or an external power switch ?

 

I turn it off using the power supply switch.

Posted : 30/07/2019 8:20 pm
Erikp
(@erikp)
New Member
RE: Always beep when switch off the printer

Same here, always by the power switch on the printer's power supply.

Posted : 30/07/2019 9:20 pm
mlmarklamb142
(@mlmarklamb142)
Active Member
RE: Always beep when switch off the printer

I've had mine do the same thing, and it started after the latest update.

Posted : 30/07/2019 9:31 pm
darren-1
(@darren-1)
New Member
RE: Always beep when switch off the printer

Hello, I just completed assembly of my MK3S and it is doing the same thing. Found it odd for a loud beep when turning off the power supply from the switch. Can understand it if it is a design feature to let you know if power was lost but not from turning off the switch. Curious to see what Prusa has to say about it. 

Posted : 31/07/2019 12:47 am
OPK
 OPK
(@opk)
Trusted Member
RE: Always beep when switch off the printer

Any comments from Prusa? I will revert tonight to 3.7.1 as I don't want to wake up the whole house when switching the printer off.  Is the firmware not tested before it is released? 🙁

Posted : 02/08/2019 3:40 pm
bobstro
(@bobstro)
Illustrious Member
RE: Always beep when switch off the printer

There have been many discussion here on the topic. I'm not affected, but my understanding is that:

  1. It is an issue with the newer black power supplies only. Older silver variants are not affected.
  2. They are addressing it in the next release.

 

My notes and disclaimers on 3D printing

and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan

Posted : 02/08/2019 3:54 pm
OPK
 OPK
(@opk)
Trusted Member
RE: Always beep when switch off the printer

1. I have a Mean Well UHP350 power supply; same issue.

2. Thx for the info

Posted : 02/08/2019 9:44 pm
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