Message Possible cause Remedy
0947 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analog input. Check line path and sensor
connection.
0948 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
0951 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analog
input.
Check line path and sensor
connection.
0952 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
0953 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analog input. Check line path and sensor
connection.
0954 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
1000 W
RFID error: switch
SIGMA CONTROL
power supply OFF →
ON!
System error. Contact an authorized KAES‐
ER service representative if
the message is displayed
again after restarting.
1034 W
AII%d.0%d - error
power supply
Power supply for ext. sensor at analog in‐
put faulty.
Check power supply.
1035 W
AII%d.0%d - overload
fault
Overload at analog input for ext. sensor. Contact an authorized KAES‐
ER service representative.
1036 W
AII%d.0%d - open
circuit
Wire break in line for ext. sensor at ana‐
log input.
Check line path and sensor
connection.
1037 W
AII%d.0%d - short-
circuit
Short circuit in line for ext. sensor at ana‐
log input.
Check line path and sensor
connection.
1040 W
AII%d.0%d - error
power supply
Power supply for ext. sensor at analog in‐
put faulty.
Check power supply.
1041 W
AII%d.0%d - overload
fault
Overload at analog input for ext. sensor. Contact an authorized KAES‐
ER service representative.
1042 W
AII%d.0%d - open
circuit
Wire break in line for ext. sensor at ana‐
log input.
Check line path and sensor
connection.
1043 W
AII%d.0%d - short-
circuit
Short circuit in line for ext. sensor at ana‐
log input.
Check line path and sensor
connection.
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
No.: 9_9450 13 USE
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2
217