Krom Schroder IC 20 - Page 64

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IC 40 function > Display > Warnings and faults
Blue LED
Red LED
BCSoft
fault
code
Warning/fault
Description
Cause
According to
operating state
Flashing light (7×)
21
Warning
Service note: number of OPEN/CLOSE
cycles > limit value
According to
operating state
Flashing light (8×)
22
Warning
Service note: number of changes of
direction > limit value
According to
operating state
Flashing light (9×)
23
Warning
Service note: number of relay output
RO 1 or RO 2 switching operations >
limit value
Flashing light (1×)
Permanent light
5
Fault
Internal fault
- e.g. EEPROM reading or writing error
Flashing light (2×)
Permanent light
11
Fault
Zero position: reference switch does
not close
- Valve blocked
- Internal fault
- Actuator offset- Valve not closed
(BVHS)
Flashing light (3×)
Permanent light
12
Fault
Zero position: reference switch does
not open
- Valve blocked
- Internal fault
- Actuator offset
Flashing light (4×)
Permanent light
13
Fault
Zero position: reference switch opens
too early (BVHS)
- Spring defective/not strong enough
- Valve not closed tightly
- Cam maladjusted
Flashing light (5×)
Permanent light
14
Fault
Zero position: reference switch opens
too late (BVHS)
- Motor or gear defective
- Cam maladjusted
Flashing light (6×)
Permanent light
30
Fault
Saving error for adjustable param-
eters, etc.
Flashing light (7×)
Permanent light
31
Fault
Saving error: factory default param-
eters
Flashing light (8×)
Perma-nent light
32
Fault
Saving error: user calibration
Flashing light (9×)
Perma-nent light
33
Fault
Saving error: analogue parameters