Message
Possible cause
Remedy
1239 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analogue
input.
Check line paths and sensor
connection.
1240 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analogue
input.
Check line paths and sensor
connection.
1241 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analogue input. Check line paths and sensor
connection.
1242 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analogue
input.
Check line paths and sensor
connection.
1244 W
AIR%d.0%d - accidental
ground
Ground fault in line for ext. sensor at ana‐
logue input.
Check line paths and sensor
connection.
1245 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analogue
input.
Check line paths and sensor
connection.
1246 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analogue
input.
Check line paths and sensor
connection.
1247 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analogue input. Check line paths and sensor
connection.
1248 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analogue
input.
Check line paths and sensor
connection.
1250 W
AIR%d.0%d - accidental
ground
Ground fault in line for ext. sensor at ana‐
logue input.
Check line paths and sensor
connection.
1251 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analogue
input.
Check line paths and sensor
connection.
1252 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analogue
input.
Check line paths and sensor
connection.
1253 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analogue input. Check line paths and sensor
connection.
1254 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analogue
input.
Check line paths and sensor
connection.
1256 W
AIR%d.0%d - accidental
ground
Ground fault in line for ext. sensor at ana‐
logue input.
Check line paths and sensor
connection.
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
224
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
No.: 9_9450 12 E