Atlas Copco GA 90 VSD User Manual

3.14 Test menu
Control panel
Function
To carry out a display test, i.e. to check whether the display and LEDs are still intact.
Procedure
Starting from the Main screen (see Main screen menu):
• Press the key ‘Menu’ (F1).
• Press arrow down key (1) until ‘Test’ is followed by a horizontal arrow.
• Activate the menu by pressing the key (2).
• The option ‘Display test’ will be followed by a horizontal arrow.
• To test the display, press the key (2). During testing, the regulator will generate a series of patterns on the
display which enable the operator to check that each pixel still functions normally; at the same time the
LEDs are lit.
3.15 Modify parameters menu
Function
To modify a number of programmable settings:
• Compressor/motor settings (see section Modifying compressor and motor settings).
• Parameters (see section Modifying parameters).
• Protections (see section Modifying protections).
• Service plan settings (see section Modifying service plan settings).
• Clock function settings (see section Modifying clock function settings).
• Configuration settings (see section Modifying configuration settings).
Instruction book
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Atlas Copco GA 90 VSD Specifications

General

Model	GA 90 VSD
Category	Air Compressor
Type	Rotary Screw Compressor
Drive	Variable Speed Drive
Rated Power	90 kW
Max Working Pressure	13 bar
Cooling System	Air-cooled
Power Supply	400 V / 50 Hz