WARNING
«Quick-stop» button jammed!
The machine cannot be stopped quickly in an emergency.
➤ Check the function of the «quick stop »push-button.
➤ Do not operate the machine if the «quick stop button» does not work.
1. Press the «Quick-stop» button.
Defrost the «quick stop »button if it cannot be pushed in or does not latch. Defrost the «Quick-
stop» button.
2. Unlatch the «quick stop» button.
The «quick stop »button still does not function after defrosting.
➤ Have the «Quick stop» button replaced.
8.2.3 Starting the engine
CAUTION
Serious damage to the engine from cold starting sprays!
Cold-start assists, such as ether or other sprays, can cause severe engine damage.
➤ Do not use cold start sprays.
1. Open the control panel cover.
2. Switch on the «Controller».
■ The controller boots up and the front page is displayed.
■ If the temperature is below zero, the engine control unit will switch on engine pre-heating.
■ If no existing message are displayed (see chapter 4.7, table 42) the display changes to op‐
erating data and shows ready to start.
■ The «Start» key flashes.
3. Press the «Start» key .
■ The engine starts and runs in IDLE until the following conditions are fulfilled:
─ The airend discharge temperature (ADT) reaches 30 C.
─ The engine coolant temperature (ECT) reaches 30 C.
■ When the ADT or ECT reaches 30 °C, the machine can be switched to LOAD.
■ The «Start» key illuminates and the «Load» key flashes.
4. Press the «Load» key .
■ The machine switches to LOAD and is ready to deliver compressed air.
■ The «Load» key illuminates.
■ If the «Load» key is pressed before the ADT or ECT reaches 30 °C the engine continues
to run at IDLE speed. The controller switches automatically to LOAD when these temper‐
ature limits are reached.
■ If the starting sequence fails or is interrupted by pressing the «Quick stop» key, the re-start
inhibit is activated for 20 seconds. The display shows the remaining time before another
start can be attempted.
Further information See chapter 4.7.2 for the operating sequence of the SIGMA CONTROL MOBIL.
8
Operation
8.2
Starting and stopping
No.: 9_9425 01 E
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
79
