Fault 59 - 202 — Mass flow rate in solar system too low

What does Fault 59 - 202 mean?

The display shows 'Fault 59' with a sub-code '202', indicating that the mass flow rate in the solar system for collector group 1 is too low.

• Incorrect setting of mass flow in the solar system.
• Flow restrictor on the solar station is too closed.
• Incorrect settings for collector area, type, or climate zone in the Solar optimisation menu.

Click steps to track your progress.

1. 1

   Adjust the mass flow in the solar system, for example, by increasing the pump speed.

2. 2

   If applicable, open the flow restrictor on the solar station more.

3. 3

   Check and correct the settings for collector area, type, and climate zone in the Solar optimisation menu.