water tanks level indicator....

[Porquerolles]

Hello,
We have a problem with the display of the level of the water tanks. In principle, the dashboard indicates the water level in the front tank and in the rear tank (see photos), sometimes, for no apparent reason, the table only indicates the level of the rear tank ... have you ever encounter this type of problem? and if so, how did you resolve it?
Thank you for your feedback.
Cordially.

[JoAnn]

I occasionally have a similar problem.  I just switch the master house battery switch off and back on to fix it. Had the problem since new and power reset has fixed it every time.

[Porquerolles]

Thank you for your response.
I did exactly like you to fix the problem.
Have you any idea of the origin of this problem ?
Best regards