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41
GB
Error
code in
the
display
Problem
Rectifica-
tion
F1
Valve drive
is stiff to
move
Check the in-
stallation and
heating valve
F2
Actuating
range too
large
Check the
fastening of
the radiator
control unit.
F3
Actuating
range too
small
Check the
heating valve
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.
91033_silv_Heizkoerperthermostat_Content_HU-CZ-SK.indd 41
09.07.13 11:07
Summary of Contents for Classic Model L
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