Starting the machine and performing a test run
1. Switch on machine by using the START key on the control panel of
SIGMA CONTROL SMART.
2. Let machine run in IDLE mode.
Warm-up has been successful when required airend discharge temperature has been reached.
3. Press and hold the «OFF» key on the control panel of SIGMA CONTROL SMART for more
than 1 second.
The machine is switched off.
4. Wait until the machine has automatically vented.
The pressure gauge reads 0 psig!
5. Open the outlet valves.
6. Open the left-hand door.
7. Check the oil level after about 5 minutes.
Cooling oil level too low: Top off the cooling oil.
8. Visually inspect for leaks.
9. Close the door.
10.6.3 Changing the cooling oil
All of the oil must always drain fully from the following components:
■ Airend
■ Oil separator tank
■ Oil cooler
■ Oil pipes
Carry out the “Change cooling oil” service when any of the following events occur:
■ Warning message indicated with specific message code (see table 79) on the display of
SIGMA CONTROL SMART.
■ Maintenance interval of the maintenance schedule has expired.
➤ Always change the oil filter when changing the cooling oil.
Message code
Remedy
2202
Changing the cooling oil
Tab. 79 Specific message code for “Change the cooling oil”
10 Maintenance
10.6 Compressor Maintenance
No.: 902366 10 USE
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M55 PE SIGMA CONTROL SMART pV
135
