KAESER SIGMA CONTROL 2 - Interpreting warning messages

Message Possible cause Remedy
0024 W
Mains contactor
operations ⇞
Maximum permissible number of switch‐
ing cycles exceeded.
Have the main contactor re‐
placed by an authorized
KAESER service representa‐
tive.
0025 W
Oil separator h ⇞
Oil separator cartridge:
Maintenance interval expired.
Change oil separator car‐
tridge.
0026 W
Oil change h ⇞
Cooling oil:
Maintenance interval expired.
Change cooling oil.
0027 W
Oil filter h ⇞
Oil filter:
Maintenance interval expired.
Change oil filter.
0028 W
Air filter h ⇞
Air filter:
Maintenance interval expired.
Change air filter.
0029 W
Valve inspection h ⇞
Valves:
Maintenance interval expired.
Contact an authorized KAES‐
ER service representative.
0030 W
Belt/coupling inspection
h ⇞
Belt tension/coupling:
Maintenance interval expired.
Carry out visual inspection.
Tension drive belt.
0031 W
Motor bearing h ⇞
Motor bearing, compressor motor: Main‐
tenance interval expired.
Contact an authorized KAES‐
ER service representative.
0032 W
Electrical equipment h
⇞
Electric components and electrical instal‐
lation:
Maintenance interval expired.
Check and reset the mainte‐
nance counter.
0033 W
Fan bearing h ⇞
Motor bearings, fan motors:
Maintenance interval expired.
Contact an authorized KAES‐
ER service representative.
0034 W
PD temperature ↓
Compressed air discharge temperature
too low.
Contact an authorized KAES‐
ER service representative.
0035 W
PD temperature ↑
Compressed air discharge temperature
too high.
Clean cooler.
Check cooling oil level.
0036 W
Motor starts/h ⇞
Permissible number of motor starts was
exceeded in the last 60 minutes.
Extend idling period.
Increase air receiver capacity.
Increase piping cross-section
between compressor and air
receiver.
0037 W
Motor starts/d ⇞
Permissible number of motor starts was
exceeded in the last 24 hours.
Extend idling period.
Increase air receiver capacity.
Increase piping cross-section
between compressor and air
receiver.
0038 W
Blow-off protection ↑
Safety relief valve actuating pressure al‐
most exceeded.
Change oil separator car‐
tridge.
Open shut-off valve in venting
line.
0041 W
Mains voltage ↓
Failure of primary power supply:
Machine restarts automatically.
Check power supply.
10 Fault Recognition and Rectification
10.3 Interpreting warning messages
208
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2 No.: 9_9450 13 USE