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Verifone vx520 Tamper message

How can i resolve this problem in please!

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You need to remove this Tamper message through tamper removal software.

Posted on Jan 16, 2013

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Posted on Sep 19, 2013


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Posted on Jan 02, 2017

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Hi,you need to remove TAMPER through TAMPER recovery tool.

Posted on Mar 12, 2011

  • 370 Answers


Welcome to FixYa!
It seems that you are having problem with the display of the Verifone. Please try to follow these steps for you to be able to fix the problem.
When the Vx5xx/Vx6xx terminal display screen does not show correct or clearly readable information:
• Check terminal power connection.
• Remove and reapply power to the terminal.
• Check all cable connections and verify that the telephone line is properly connected.
• If the problem persists, contact your local VeriFone service provider.
Hope this information will help.
Your response is very much appreciated. Thank you for using FixYa!

Posted on Jun 24, 2011

  • 1 Answer


VeriFone provides a clear tamper application to its service centres. you would have to locate a service centre closest to you to have that error cleared.

Posted on Nov 03, 2011

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How do i unlock my verifone vx520

Unfortunately, there is no user software to "unlock" your Vx520. You would have to send it to a repair facility like, they have a very quick turn around and low price.

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Verifone vx520 tamper please enter pasword

if you have a tamper you may need to get it replaced, try this press enter key and if it takes you to a menu press set up, enter password, do you have the password? 1 alhpa alpha 66831 ( the alpha key is above the 2) then press more until you see date and time, change date and time see if this fixes tamper or press red x until you get antoher screen or press f2/f4 same time enter password and then clock change time if this does not work you need a new terminal

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Tamper removal software

there is no actual software for tamper removal
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except the tamper is persistent

Apr 01, 2014 | VeriFone Vx 520

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TEMPER DETECTED AND NOT CLEARED error message. Can it be resolved onsite?

NO we cannot solve it onsite. The battery needs to be replaced and check plastic case as well as the sensors inside. After that, reloading the Verifone Software will clear the tamper error. If you still need help, you can call us at (775)358-2922 ask for Randy. Thank you.

Oct 24, 2012 | VeriFone Mx870 Eth Sig

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What does TAMPER

"TAMPER" displays on Vx510, Vx610, or Vx670 terminal Problem/Task "TAMPER" shows on Vx510, Vx610, or Vx670 terminal Environment VeriFone Connect Any Verifone manufactured device that has the capability to contain it's own internal encryption (including Vx510, Vx610, or Vx670 terminal) Cause The message: "Tamper" will appear on the Vx510, Vx610, or Vx670 terminal if it is physically opened, damaged, or if it is jarred enough to flip and enable the internal tamper 'switch'. The reason for this is to ensure any sensitive data that passes through the terminal during a credit card transaction is not intercepted or compromised. Customer Solution/Action 1.
Contact repair facility for repair/replacement of the affected device
If you still needs help call us at (775)358-2922 ask for Randy

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VX570 Credit Card Terminal (Dual Comm DCSC)... problem


You need tamper removal software for your Vx pos.

Feb 29, 2012 | VeriFone VX570 Credit Card Terminal (Dual...

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First of all BAD RTC can be fixed. Problem will come up if your internal battery is going bad and most of the time it comes with the "TAMPER" message also. By replacing the internal battery and reloading the Verifone program will solve the problem.
Just to let you know the Verifone machines are equipped with multiple sensors inside it. If for some reason the sensors were disturbed (i.e. broken plastic casing, unit dropped,...) , the machine will come up with the BAD RTC and TAMPER message too. Hope this answers your question and if you still need help you can us at (775)358-2922 ask for Randy. Thanks

Dec 02, 2011 | VeriFone VX 610 Credit Card Terminal...

1 Answer

Hi. i own a verifone vx610 wireless credit card machine and I'm getting the TAMPER message on the screen. is there anyway the fix this problem. thank you

if you still need help with your Vx 610 we can help you call (775) 358-2922 ask for Randy and YES we can fix the TAMPER error. Thanks

Jul 15, 2011 | VeriFone VX 610 Credit Card Terminal...

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How can I solve the problem **tamper** in Verifone Vx510?

Verifone has a built in safe-guard against tampering. There are certain things that can cause the new Vx Series of terminals to display this error - from someone actually tampering with the terminal, to a physical drop or jarring of the terminal.

I hate to be the bearer of bad news, but the ONLY way for a terminal to be unlocked when displaying "Tamper" is to send it into an authorized service center. I have many of these devices in the field for customers and have dealt with this issue a few times - unfortunately, that's the only way Verifone set it up for this error to be resolved.

Sorry for the bad news, but hope it helped!

Sep 03, 2009 | VeriFone Omni 3700

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