Hello 

I have 2 KTP700 panels that have both lost there programs and are failing to boot up.

Both panels just display Simatic HMI and never move past this screen.

After displaying the message Simatic HMI for 2 minutes the screen goes blank and then starts back up again , and just displays Simatic HMI again, this goes on repeatedly in a loop.

These panels where running good for about a month before this problem occured.

Does anyone know why these HMIs have lost there programs and why they are not booting up correctly ?

Regards

Evert

Hi Hati

The firmware was updated less than 1 month ago using TIA portal.

What i would like to know is why the HMI lost its program.

It ran fine for a couple of days then just lost the program on 2 different HMI,s.

How can i prevent it from losing the program again?

Do you think that by doing a firmware update via USB thumbdrive will solve the problem of losing the program?

Regards

Hi Hati

Thank you for clearing that up😀

I will upgrade to TIA V15 and hopefully the problem is solved.

regards

Evert04

Hello 

I have 2 KTP700 panels that have both lost there programs and are failing to boot up.

Both panels just display Simatic HMI and never move past this screen.

After displaying the message Simatic HMI for 2 minutes the screen goes blank and then starts back up again , and just displays Simatic HMI again, this goes on repeatedly in a loop.

These panels where running good for about a month before this problem occured.

Does anyone know why these HMIs have lost there programs and why they are not booting up correctly ?

Regards

Evert

 Hi,

And welcome  , every week somebody ask this question, so this week this is you, I'm gonna take a look in order to find the topic that will help you, and i post it to my next message.

See you

Topic regarding the Factory reset, if you want to reset you'r panel :

KTP600 Basic color DP factory reset

TP 900 Boot up issue

TP700 Comfort doesn't boot

Panel are not the same, but the issue and the ways to solve it are the same!

Hope this help you 

Enyoy

Hi Snoop

Thanks for the reply.

I will need to follow those steps to fix the 2 screens that have lost there OS.

But how can we prevent them from losing there programs again?

Both HMI, s lost there programs after running for less than a month?

Is there a known problem with Firmware 14 .

regards

Evert

Evert04

Hi Snoop

Thanks for the reply.

I will need to follow those steps to fix the 2 screens that have lost there OS.

But how can we prevent them from losing there programs again?

Both HMI, s lost there programs after running for less than a month?

Is there a known problem with Firmware 14 .

regards

Evert

 Hi,

I got no idea, the first step is to understand why this kind of issue occurs at startup???

I just know you not the first here to met this problem and the other user does not give a feedback.

in all case if the problem remain you can also send the panel to Siemens.

Regards

Evert04

Is there a known problem with Firmware 14 .

Like i said before, V14 SP1 Upd4 has the firmware file that will cause this. When upgraded to Upd5, this issue is fixed.

Hati

Depends on what version of TIA portal was used to do the firmware update in the firstplace. A known issue with TIA V14 SP1 Upd4, is that this can happen. Upd5 has upgrades in the firmware files, to fix this situation.

 Thank you for this information. We had also some panels that lost their program. Is there a source from Siemens where i can find more information about the change in Upd5? In the help section of SIMATIC TIA Portal V14.0 SP1 Update 7 i can't find any information about this issue. In the documentation of update7 is see that there was a improvement in update 4, but not in update 5?

Improvements in Update 4

Internal memory management has been optimized for the following devices:

• KTP400 Basic

• KTP700 Basic PN

• KTP900 Basic