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10
Instruction book
Ref. Designation Function
3 Function keys Keys to control and program the
compressor. See below.
4 Voltage on LED Indicates that the voltage is
switched on.
5 Pictograph Voltage on
6 Pictograph Alarm
7 General alarm LED Is normally out. Is alight or
blinks in case of an abnormal
condition. See below
8 Pictograph Automatic operation
9 Automatic Indicates that the regulator is
operation LED automatically controlling the
compressor.
10 Stop button Push button to stop the
compressor. LED (9) goes out.
11 Start button Push button to start the
compressor. LED (9) lights up
indicating that the regulator is
operative (in automatic
operation).
12 Display Indicates messages concerning
the compressor operating
condition, a service need or a
fault.
S3- Emergency Push button to stop the
Fig. stop button compressor in case of
1.1 emergency. After remedying the
trouble, unlock the button by
pulling it out.
Function keys
The keys are used:
- To call up or to program settings
- To reset a motor overload, shut-down or service message,
or an emergency stop
- To have access to all data collected by the regulator
The functions of the keys vary depending on the displayed
menu. The actual function is abbreviated and indicated on
the bottom line of the display just above the relevant key. The
most common abbreviations are listed below.
Abbre- Desig- Function
viation nation
Add Add To add compressor start/stop commands
(day/hour)
Back Back To return to a previously shown option
or menu
Canc Cancel To cancel a programmed setting when
programming parameters
Del Delete To delete compressor start/stop
commands
Help Help To find the Atlas Copco internet address
Lim Limits To show limits for a programmable
setting
Main Main To return from a menu to the main screen
(Fig. 1.8)
Menu Menu Starting from the main screen (Fig. 1.8):
to have access to submenus
Menu Menu Starting from a submenu: to return to the
previous menu
Mod Modify To modify programmable settings
Prog Program To program modified settings
Rset Reset To reset a timer or message
Rtrn Return To return to a previously shown menu
Xtra Extra To find information regarding the
installed modules
General alarm LED (7-Fig. 1.7) 1)
- The LED blinks in case of a shut-down (due to too high a
compressor element outlet temperature, overload of the
fan motor, etc.); at the same time the shut-down screen
appears. After eliminating the cause of the trouble and
when the abnormal condition has disappeared, press
function key (3) below Rset.
- The LED blinks and the compressor is shut down if the
sensor of the compressor element is out of order; at the
same time the display will show a fault message.
Depressurize the compressor by pressing the emergency
stop button, close the air outlet valve and open the manual
drain valve. Check the sensor and its wiring.
- The LED is alight in case of a shut-down warning; at the
same time a warning message appears. Remedy; see
section 6.
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