Krom Schroder IC 20 - Display; During Operation; Warnings and Faults

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IC 40 function
4 .13 Display
4 .13 .1 During operation
Blue LED Red LED Operating state
Moderately flashing** Off Zero position
Slow flashing*** Slow flashing*** Calibration
On Off Device in Standby mode
Moderately flashing** Off Device in motion
Fast flashing Off Manual mode
Fast flashing Off Moving in Manual mode
Permanent light see Fault signal Fault
* Fast: 5 times per second, ** moderately: 3 times per second, *** slow: once per second
4 .13 .2 Warnings and faults
Blue LED
Red LED
BCSoft®
fault
code
Warning/fault
Description
Cause
According to
operating state
Flashing light (1×)
1
Warning
Internal temperature > 90°C
- High ambient temperature
According to
operating state
Flashing light (2×)
4
Warning
Reference switch drift > 5%
- Mechanical valve offset
- Valve moving against its stop
According to
operating state
Flashing light (3×)
7
Warning
Reference switch drift > 10%
- Mechanical valve offset
- Valve moving against its stop
According to
operating state
Flashing light (4×)
8
Warning
Reference switch does not open
- Valve blocked
- Large mechanical offset
- Internal fault
- Actuator offset
According to
operating state
Flashing light (5×)
9
Warning
Reference switch does not close
- Valve blocked
- Internal fault
- Actuator offset, mechanical
offset
According to
operating state
Flashing light (6×)
10
Warning
Analogue input AI < 4 mA
- Signal interrupted
- Signal not connected
- Input defective