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91033_silv_Heizkoerperthermostat_Content_ES.indd 87
Error
code in
the
display
F1
F2
F3
Note: The programmable radiator control
unit performs a decalcifying run once a week
on Saturday at 12:00 to protect against
calcification of the valve. During this „CAL"
appears in the display.
Problem
Valve drive
Check the in-
is stiff to
stallation and
move
heating valve
Actuating
range too
fastening of
large
the radiator
Actuating
range too
heating valve
small
Rectifica-
tion
Check the
control unit.
Check the
GB
87
09.07.13 11:07