SOLVED RB 800 - voltage monitor and system stores

Hardware MikroTik hardware general
1

Hello @ all,

I have two questions concerning the RB 800. (ROS 5.15)

First: I tested the board before using it at the top of a tower and the voltage monitor works correct. I put it at a tower where it is working with a 12 V - battery and the monitor shows me 15,4 V. The battery and the charger are working fine and if I measure the voltage at the tower with a voltmeter it is 13,2 V.

What can be the reason of this misinformation?

Second: I use a CF-Card for user-manager and web-proxy and it works fine. If I look in System / Stores / Disks it tells me

         Total Space     Free Space    Status
CF1          30.7 GB       30.1 GB      ready
system      520.1 MB      957.3 MB      ready

Who can explain me this? I don´t understand, what I see. I have more free space than total space??? And I use the card, not the system-memory.

Regards

Uli

2

First: I tested the board before using it at the top of a tower and the voltage monitor works correct. I put it at a tower where it is working with a 12 V - battery and the monitor shows me 15,4 V. The battery and the charger are working fine and if I measure the voltage at the tower with a voltmeter it is 13,2 V

What is the ambient temperature at the place, where RouterBOARD 800 is used?

Second: I use a CF-Card for user-manager and web-proxy and it works fine. If I look in System / Stores / Disks it tells me

What RouterOS version do you have? What kind of CF do you use?

3

Hi Sergejs,

What is the ambient temperature at the place, where RouterBOARD 800 is used?

Between 50 - 60 °C

What RouterOS version do you have?

ROS 5.15

What kind of CF do you use?

Transcend, 32 GB, bought in Germany

Regards

Uli

4

Hi Sergejs. Why Voltage is dependent on the outdoor temperature? RB800, ROS 5.7
It is bug or?
temperature.png

5

ulikroessin,

could you please send support output file from the router, where store reports wrong information?
Thank you very much for the cooperation.

honzam,
Could you please clarify, where is the bug in your attachments?
/system health provides you with informational values about voltage/temperature, that can alarm you when something goes wrong with the specific board.

6

Sorry, my mistake. OID is wrong.
But my Ticket#2011082666000329 is stil not soved. MT team (Janis Krumins) promised to perform the calibration on RB800. But still nothing.
We have ten pieces of RB800 without monitoring Voltage :frowning:

7

honzam, thank you for the update. I will check your support ticket!

8

Hola Sergejs,

thank you for response. I sent a supout.rif at support just now and will wait for an answer.

Regards

Uli

9

The problem is solved by support. Thank you!
Here the last writings:

Hello,

At this board works the Usermanager with more than 70 clients/users.
Therefor it is not easy to take down it from the tower, it breaks my
hole system.

Is there not another posibility than Netinstall? A posibility that I can
do without take down the board?

As this is only informational error, you can continue using RB800 without any
issues.

Regards,
Sergejs

Hello Sergejs,

thank you for response.

disk space will be fixed once you
will reinstall RouterBOARD by Netinstall.

At this board works the Usermanager with more than 70 clients/users.
Therefor it is not easy to take down it from the tower, it breaks my
hole system.

Is there not another posibility than Netinstall? A posibility that I can
do without take down the board?

Regards

Uli