KAESER ESD 352 SFC, Technical Documentation Manual, Page: 94 / 413

8 Operation
8.1 Switching on and off
Always switch the machine on with the «ON» key and off with the «OFF» key.
A power supply disconnecting device has been installed by the user.
Fig. 16 Switching On and Off
1
Machine ON LED (green)
2
«ON» key
3
«OFF» key
8
Control voltage LED (green)
11
«LOAD/IDLE» toggle key
19
LOAD LED
20
IDLE LED
8.1.1 Switching on
Precondition No personnel are working on the machine.
All access doors and panels are closed and secure.
1. Switch on the power supply isolating device.
After the controller has carried out a self-test, the green
Control voltage LED is lit continuously.
2. Press the «ON »key.
The green
Machine ON LED is lit continuously.
If a power failure occurs, the machine is not prevented from re-starting automatically when
power is resumed.
It can re-start automatically as soon as power is restored.
Result The compressor motor starts as soon as system pressure is lower than the setpoint pressure (cut-
off pressure).
8.1.2 Switching off
1. Press the «OFF» key.
The machine switches off.
2. Switch off and lock out the power supply disconnecting device.
3. The machine may be started again after at least 20 seconds in standstill.
8 Operation
8.1 Switching on and off
48
Service Manual Screw Compressor
ESD 442/14 bar (abs) SFC SIGMA CONTROL 2
ESD_2C_10357405_10–LIN_00 E