Atlas Copco Stationary Air Compressors User Manual

Page of 70
Instruction book 
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43 
 
Line Indicates 
Remarks 
 
 
 
Sensor which is active 
and the actual reading 
The unit for pressure can be bar, psi or kg/cm
2
 depending on the 
programmed selection.  The unit for temperature can be °C or °F.  
See section 8.12. 
2 - 
3 Compressor 
status 
Examples: 
Compressor Off 
Compressor Running 
3 Shut-down 
If the unit is shut down, the regulator will automatically show a shut-
down message on the display (see section 8.3).  It remains possible 
to have a closer look at other parameters related to the shut-down 
by means of the menus. 
3 Service 
required 
Indicates that the unit needs servicing.  Consult section 8.13 to find 
out the exact cause for this message. 
3 Sensor 
error 
Indicates that a sensor is out of order: 
Outlet pressure transducer 
On Full-Feature compressors, the dewpoint sensor 
Stop the compressor.  Switch off the voltage and depressurize the 
compressor.  Check the sensor wiring.  Replace the sensor or 
transducer, if necessary. 
3 Remote 
control 
Indicates that the compressor is set in remote control. Consult Atlas 
Copco. 
Functions of keys 
below display 
See section 1.5.7. 
Symbols: 
Indicating the status of each compressor module 
 
 
indicating that the compressor module is available (ready to run) 
▄ 
indicating that the compressor module is running 
- (blinking) 
indicating that the compressor module is not available (due to 
minimum stop time or too many starts) 
* (blinking) 
indicating that the compressor module is shut down 
 
Note 
When more than one message needs to be displayed (e.g. both warning and service), the 
messages will be displayed one after the other for 3 seconds. 
 
Press key (F3) on the main screen to check which compressor module is running or stopped. 
 
Element 1 
Stopped  
Element 2 
Running  
Element 3 
Stopped
↓ 
Menu  
 
F1 F2 F3 
 
Fig. 8.3 Element status screen, typical example