Item Sign
Name
Function
Background LED
6
«esc» key
Returns to the menu, in‐
terrupts an entry.
–
7
«Enter» key
Selects a menu option,
confirms an entry.
–
8
«Stop» key
Stops the machine.
Lights when an alarm oc‐
curs
9
«Start» key
Starts the machine
Flashes when ready to
start.
Illuminates when the en‐
gine is running.
10
«Load» key
Toggles between warm up
and load.
Flashes when ready to
switch to LOAD.
Illuminates when the ma‐
chine is operating under
LOAD.
11 –
Indicator field or dis‐
play
Graphic display
–
Tab. 43 Instrument panel keys and displays
4.7 SIGMA CONTROL MOBIL function
4.7.1 Display
Description of display field
■ Graphic display
■ Monochrome display
■ 128 x 64 pixels
Opening page
The following is shown on this page while the controller is booting up:
Fig. 8 Opening page
Preheating
At temperatures below zero the engine is preheated, regulated by the engine control unit. The pre-
heating period is influenced by an ambient temperature sensor.
4
Design and Function
4.7
SIGMA CONTROL MOBIL function
34
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
No.: 9_6975 00 E
