Message
Possible cause
Remedy
0284 A
Oil-/air cooler fan FC
activation failed
Fan frequency converter switched
on incorrectly.
Contact an authorised service
partner.
0287 A
Oil-/air cooler fan FC:
STO function inactive
Frequency converter parametrisa‐
tion incorrect.
Check the frequency converter
parametrisation.
Contact an authorised service
partner.
0288 A
Oil-/air cooler fan FC off -
STO?
Frequency converter parametrisa‐
tion incorrect.
Check the frequency converter
parametrisation.
Contact an authorised service
partner.
0301 A
Oil cooler fan USS alarm
Frequency converter fault
Contact an authorised service
partner.
0303 A
Oil cooler fan FC PKW
error P%d.E%d
Frequency converter fault
Contact an authorised service
partner.
0305 A
Oil cooler fan USS
error %d
Alarm triggered by software driver. Contact an authorised service
partner.
0320 A
Oil cooler fan FC Motor
overload alarm
Fan motor overload.
Contact an authorised service
partner.
0321 A
Oil cooler fan FC
alarm %d
Frequency converter alarm mes‐
sage with message number.
Contact an authorised service
partner.
0330 A
Oil cooler fan USS alarm
Frequency converter fault
Contact an authorised service
partner.
0331 A
Oil cooler fan FC PKW
error P%d.E%d
Frequency converter fault
Contact an authorised service
partner.
0332 A
Oil cooler fan USS
error %d
Alarm triggered by software driver. Contact an authorised service
partner.
0333 A
Oil cooler fan FC
alarm %d
Frequency converter alarm mes‐
sage with message number.
Contact an authorised service
partner.
0334 A
Oil cooler fan FC
activation failed
Fan frequency converter switched
on incorrectly.
Contact an authorised service
partner.
0337 A
Oil cooler fan FC: STO
function inactive
Frequency converter parametrisa‐
tion incorrect.
Check the frequency converter
parametrisation.
Contact an authorised service
partner.
10 Fault Recognition and Rectification
10.2 Interpreting alarm messages
No.: 9_9450 12 E
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
205