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IC 20 function
3 .3 IC 20..E Display
3.3.1 In Manual mode
Blue LED Red LED Operating state
On Off Manual mode
Flashing Flashing Calibration (in Manual mode only)
3 .3 .2 Low-fire/High-fire rate adjustment (in Manual mode only)
Blue LED Red LED Operating state
On On for 0.5 s Min. value ≥ max. value*
Off for ≤ 0.5 s Off Min. or max. setting accepted
* Value will only be accepted, if the Min. or Max. button is pressed for another three seconds
3 .3 .3 Warnings and faults
Blue LED Red LED Warning/fault Description Cause
Off Flashing light (1×) Warning The device is in 4 – 20 mA mode, - Cable discontinuity on the
the input signal is < 3 mA 4 – 20 mA set point input
Off Flashing light (2×) Warning Many changes of direction, input - Hysteresis set too small
signal oscillates
Off Flashing light (3×) Warning Control range < 1° - Device programming error
(min. and max. setting)
- Control range < 1° (cams
Flashing light (1×) Permanent light Fault Calibration not successful overlapping), motor
defective, gear defective,
potenti-ometer defective
Flashing light (2×) Permanent light Fault Internal fault - Unit defective
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