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Message
Possible cause
Remedy
0001 W
Equipment number
incomplete
Equipment number entered incompletely
or not given.
Contact an authorised serv‐
ice partner.
0002 W
Motor temperature ↑
Compressor motor hot.
Keep ambient conditions
within specified limits.
Check the cooling air supply.
Clean the motor.
0003 W
Air filter Δp ↑ - Change
prefilter!
Prefilter clogged.
Replace the prefilter at the
earliest opportunity.
0004 W
Oil separator Δp ↑
Increased differential pressure in oil sepa‐
rator cartridge.
Oil separator cartridge clogged.
Replace the oil separator
cartridge.
0005 W
Idle warm-up
Idling warm-up activated
—
0006 W
Surge arrester
Overvoltage in the power supply (Canadi‐
an version only)
Check the power supply.
Contact an authorised serv‐
ice partner.
0007 W
Power supply monitor
Overvoltage or undervoltage in the power
supply
Check voltage alarm setting
and power supply.
Contact an authorised serv‐
ice partner.
0008 W
Airend discharge
temperature ADT ↑
Maximum airend discharge temperature
almost reached.
Clean the cooler.
Check the cooling oil level.
Replace oil filter.
Ensure adequate ventilation.
Keep installation conditions
within specified limits.
0010 W
Oil filter 2 Δp ↑
Increased differential pressure in oil filter.
Oil filter clogged.
Replace the oil filter.
0011 W
Oil filter 1 Δp ↑
Increased differential pressure in oil filter.
Oil filter clogged.
Replace the oil filter.
0013 W
Air filter Δp ↑ - Change
air filter!
Air filter clogged.
Replace the air filter.
0015 W
Com-Module
communication error
Bus link via PROFIBUS interface interrup‐
ted.
Check bus lines and plug.
0021 W
Refrigeration dryer T ⇟
Refrigeration dryer:
Compressed air temperature too low.
Keep ambient conditions
within specified limits.
Contact an authorised serv‐
ice partner.
0024 W
Mains contactor
operations ⇞
Maximum permissible number of switch‐
ing cycles exceeded.
Have the mains contactor re‐
placed by an authorised
service partner.
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
207