13 Interpreting operation messages
The controller will automatically display operation messages informing you about the current opera‐
tional state of the machine.
Operating messages are identified with the letter O.
The message numbers are not numbered consecutively.
Messages 0081 to 0095 are customer-specific and undefined. Complete them with your defined
message text and interpretation.
Message Meaning
0001 O
Load control pA
The machine is regulated by system setpoint pressure pA.
0002 O
Load control pB
The machine is regulated by system setpoint pressure pB.
0003 O
Load control RC
The machine is regulated via the remote contact.
0004 O
Load control RB
The machine is remotely regulated via the bus connection.
0005 O
ready
The machine is switched on and in READY operating mode.
0006 O
Idle
The machine is switched on and in IDLE operating mode.
0007 O
On load
The machine is switched on and in LOAD operating mode.
0008 O
off
The machine is switched off.
The power supply is connected.
0009 O
Compressor on
The machine is switched on.
0010 O
Controller on
The power supply is connected.
The controller is powered.
0011 O
Cold start release
The machine can be switched on although the machine tempera‐
ture is below the permissible starting temperature.
The machine can be switched on only as long as the message is
displayed.
0025 O
Setpoint pressure pA
The value for pA is output.
0026 O
Setpoint pressure pB
The value for pB is output.
0027 O
Power OFF → ON
Request:
Switch the power supply off and on.
0028 O
DYNAMIC motor temperature ↑
Control mode DYNAMIC:
The temperature of the compressor motor is too high.
13 Interpreting operation messages
22
Quick user guide Controller
SIGMA CONTROL 2 SCREW FLUID 1.1.3 9_9450 03 USE
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