Message
Possible cause
Remedy
0253 W
Oil cooler fan FC
Service mode active
Frequency converter in service mode.
Exit service mode.
0254 W
Oil cooler fan FC
Service mode active
Frequency converter in service mode.
Exit service mode.
0255 W
Oil-/air cooler fan FC
Service mode active
Frequency converter in service mode.
Exit service mode.
0256 W
Air cooler fan FC
Service mode active
Frequency converter in service mode.
Exit service mode.
0260 W
Oil-/air cooler fan FC
Alarm %d
Fan frequency converter faulty.
Acknowledge message.
Contact an authorised serv‐
ice partner.
0261 W
Oil-/air cooler fan FC
Alarm %d
Fan frequency converter faulty.
Acknowledge message.
Contact an authorised serv‐
ice partner.
0262 W
Oil cooler fan FC
alarm %d
Fan frequency converter faulty.
Acknowledge message.
Contact an authorised serv‐
ice partner.
0263 W
Oil cooler fan FC
alarm %d
Fan frequency converter faulty.
Acknowledge message.
Contact an authorised serv‐
ice partner.
0264 W
Air cooler fan FC
alarm %d
Fan frequency converter faulty.
Acknowledge message.
Contact an authorised serv‐
ice partner.
0300 W
SD card write error
Write protection activated?
Memory card defective.
Deactivate write protection.
Use a new memory card.
0866 W
AII%d.0%d - error
power supply
Power supply for ext. sensor at analogue
input faulty.
Check the power supply.
0867 W
AII%d.0%d - overload
fault
Overload at analogue input for ext. sen‐
sor.
Contact an authorised serv‐
ice partner.
0868 W
AII%d.0%d - open
circuit
Wire break in line for ext. sensor at ana‐
logue input.
Check line paths and sensor
connection.
0869 W
AII%d.0%d - short-
circuit
Short circuit in line for ext. sensor at ana‐
logue input.
Check line paths and sensor
connection.
0872 W
AII%d.0%d - error
power supply
Power supply for ext. sensor at analogue
input faulty.
Check the power supply.
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
No.: 9_9450 12 E
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
213
