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11
Troubleshooting and Maintenance
Fehlercode auf
dem Display
Low Battery
F1
F2
F3
12
Technical Data
Supply voltage
Valve travel
Problem
Battery output
too low
Valve drive
sluggish
Actuating range
too wide
Adjustment range
too small
2 x 1.5 V AA
5 mm (±0.3 mm)
Lösung
Adjustment range
too small
Check installa-
tion,check the
heating valve
Please check
the fastening
of the radiator
thermostat
Please check
whether the valve
pin is stuck
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