Message Possible cause Remedy
1275 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analog
input.
Check line path and sensor
connection.
1276 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
1277 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analog input. Check line path and sensor
connection.
1278 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
1280 W
AIR%d.0%d - accidental
ground
Ground fault in line for ext. sensor at ana‐
log input.
Check line path and sensor
connection.
1281 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analog
input.
Check line path and sensor
connection.
1282 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
1283 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analog input. Check line path and sensor
connection.
1284 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
1286 W
AIR%d.0%d - accidental
ground
Ground fault in line for ext. sensor at ana‐
log input.
Check line path and sensor
connection.
1287 W
AIR%d.0%d - short-
circuit
Short circuit in line for indicated analog
input.
Check line path and sensor
connection.
1288 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
1289 W
AIR%d.0%d - sensor
fault
Sensor fault at indicated analog input. Check line path and sensor
connection.
1290 W
AIR%d.0%d - open
circuit
Wire break in line for indicated analog in‐
put.
Check line path and sensor
connection.
Tab. 88 Warning messages and remedies
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
226
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2 No.: 9_9450 13 USE