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■ Carefully open the compressed air outlet valve.
■ Check: The pressure gauge must read 0 psig!
➤ Do not open or dismantle any valves.
When working on the drive system
Touching rotating, very hot or current-carrying components can cause severe injuries.
➤ Shut down the machine before opening any doors/canopy.
➤ Switch the «battery isolating switch» to the 'off' position.
➤ Ensure that the machine has cooled down.
Further information Details of authorised personnel are found in chapter 3.4.2.
Details of dangers and their avoidance are found in chapter 3.5.
10.2 Noting the maintenance messages on the controller
The SIGMA CONTROL SMART displays selected maintenance intervals for the machine. Display
begins 25 hours before the interval will expire.
When the machine is switched on, the «Information» key illuminates. The «Acknowledge key »
flashes.
➤ Read the message code from the controller's display.
10.2.1 Evaluating the maintenance message
➤ Determine any maintenance tasks due using the table below and perform the maintenance ac‐
cording to the maintenance schedule shown in chapter 10.3.3.1.
Code Meaning
Remedy
See chapter
Message code, range 2100 – 2199 “engine maintenance”
2100 Maintenance message drive motor - renew
oil filter.
Change the engine oil filter.
(every 500h)
2101 Maintenance message drive motor - clean/
replace air filter.
Clean or change air filter.
(every 500h)
2102 Maintenance message drive motor - change
the oil.
Change the engine oil.
(every 500h)
Message codes, range 2200 – 2299 “compressor unit maintenance”
2200 Maintenance message compressor - renew
oil filter.
Change the compressor oil filter.
(every 1000h)
2201 Maintenance message compressor - clean/
replace the air filter.
Clean or change air filter.
(every 250h)
2202 Maintenance message compressor - change
the cooling oil.
Change the cooling oil.
(every 1000h)
h = operating hours
Tab. 71 Maintenance messages and required actions
10 Maintenance
10.2 Noting the maintenance messages on the controller
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
97