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6 720 645 347 (2010/09)
70
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Troubleshooting
Fault 59
Mass flow rate in solar system too high/low.
201 Mass flow rate in solar thermal
system for collector group 1 is
too high.
Set mass flow rate in solar
circuit correctly (e.g. increase/
reduce pump speed) or, if
necessary, further open or
close valve to the solar
pumping station.
Guide figure: 20 - 40 kg/m
2
of
collector area per hour.
Check setting for collector
area, type and climate zone on
Solar optimisation menu.
202 Mass flow rate in solar thermal
system for collector group 1 is
too low.
Information displayed (
Æ
Items 1, 3 and 4 in
Fig. 17)
Text
Code Cause
Remedy (by contractor)