The event memory is sub-divided into menu options:
Category
Short
description
Sign Note
Faults
R1
The machine will be shut down.
The «Acknowledge » key flashes.
The «Information» key and «Stop» key are illuminated.
If acknowledgement of the alarm by pressing the
«Acknowledge » key is possible, both lamps are extinguished.
The machine can only be restarted when the cause of the alarm is
corrected.
Warnings
R2
The machine will not be shut down.
The «Acknowledge » key flashes.
The «Information» key illuminates.
These are extinguished by pressing the «Acknowledge » key.
The «Information» key remains illuminated, even after restart‐
ing, until the cause of the warning is rectified.
Mainte‐
nance
R3
The machine will not be shut down.
The «Acknowledge » key flashes.
The «Information» key illuminates.
These are extinguished by pressing the «Acknowledge » key.
The «Information» key remains illuminated, even after restart‐
ing, until the maintenance is carried out and the maintenance in‐
terval counter reset.
Machine da‐
ta informa‐
tion page
R4
The following data are shown:
■ Compressor model
■ Pressure
■ Speeds
■ Equipment number
■ Software version
Fault memo‐
ry
R5
Display of the last 10 faults with
■ fault code
■ operating hours
Tab. 58 Event memory outline
Selection keys are used to navigate through the event memory.
Make up of messages
The following illustrations show how typical examples of how individual message categories are pro‐
duced.
4
Design and Function
4.8
List of menus
46
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
No.: 9_6975 00 E
