Atlas Copco GA5, User Manual

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2920 1207 05
10
User manual
Line Indicates Remarks
3 Service required Indicates that one of the monitored
components needs servicing.
Consult section 10 to find out the
exact cause for this message.
3 Sensor error Indicates that a sensor is out of
order: On GA5 up to GA45:
- Temperature sensor at the outlet
of the compressor element
- Outlet pressure transducer
- On Full-feature compressors,
the dewpoint sensor
- Stop the compressor.
Switch off the voltage and
depressurize the compressor as
described in the relevant
instruction book. Check the
sensor wiring. Replace the sensor
or transducer, if necessary.
3 Sensor error Indicates that a sensor is out of
order: On GA55 up to GA90C:
- Temperature sensor at the outlet
of the compressor element
- Outlet pressure transducer
- Pressure difference sensor of the
oil separator
- On water-cooled compressors,
the water outlet temperature
sensor
- On Full-feature compressors,
the dewpoint sensor Stop the
compressor. Switch off the
voltage and depressurize the
compressor as described in the
relevant instruction book.
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.
4 Functions of keys
below display
See section 4.2.
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.
6 MAIN MENU: Gateway to other
functions
6.1 Function
The main menu gives the operator access to most other
functions via submenus.
6.2 Procedure
The main menu is activated by pressing:
-
The key <<Menu>> on the main display (Fig. 5.1)
- The key <<Menu>> on whatever submenu display
Status data
↓
Main Slct
F1 F2 F3
Fig. 6.1. Example of a main menu
The display indicates the name of the submenu which can be
selected (only one name is shown, use the scroll keys (6-Fig.
2.1) to find the other names).
In this example, the display shows:
-
That the <<Status data>> submenu can be selected
- That other submenus are available using the scroll key
- That the key <<Main>> can be used to return to the main
display
- That the key <<Slct>> (select) can be used to select the
submenu <<Status data>> to get more detailed information
7 STATUS DATA SUBMENU: Calling
up status of protection functions
and resetting
7.1 Function
The status data submenu gives information regarding the status
of the compressor protection functions (shut-down, warning and
shut-down warning) and allows resetting of a shut-down and
motor overload.
7.2 Procedure
1. Activate the main menu by pressing the key <<Menu>> (5-
Fig. 2.1).
2. The first option shown on the second line of the display is
<<Status data>>.
3. Press the key <<Slct>> (select) (5-Fig. 2.1).