Siemens RWF55.5 User Manual page 39

Flashing actual value
display

Manual control

Building Technologies Division
Infrastructure & Cities Sector
The actual value display (red) shows 9999 flashing  Alarm message.
Reference!
See chapter 13 What to do if ...
The setpoint display (green) shows HAnd flashing.
Reference!
See chapter 6.4 Manual control of a modulating burner.
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05.11.2013