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Instruction book
2. If the coloured part of the air filter service indicator (VI-
Fig. 3.6) shows full out, stop the compressor, switch off the
voltage and replace the air filter element (AF-Fig. 3.6).
Reset the indicator by pushing its knob and reset the service
warning 11).
3. If automatic operation LED (1-Fig. 1.9) is alight, the
regulator is automatically controlling the compressor, i.e.
loading, unloading, stopping of the motors and restarting.
3.4.1 Checking the display
1. Regularly check the display (4-Fig. 1.9) for readings and
messages. Normally, the main display (Fig. 1.10) is shown,
indicating the compressor outlet pressure, the status of the
compressor and the abbreviations of the functions of the
keys below the display.
2. Always check the display (4-Fig. 1.9) and remedy the trouble
if alarm LED (3) is alight or blinks. Consult the User manual
for Elektronikon regulator, section “Status data submenu”.
3. The display (4-Fig. 1.9) will show a service message if one
of the monitored components is to be serviced; replace the
component and reset the relevant timer. Consult the User
manual for Elektronikon regulator, section “Service
submenu”.
Warning: Before carrying out any maintenance, repair or
adjustment, stop the compressor, press emergency
stop button (S3-Fig. 1.9), switch off the voltage
and depressurize the compressor.
Notes
- Whenever a warning, service request, sensor error or motor
overload message is displayed, the free spaces on the display
between the function keys (5-Fig. 1.9) are filled with
blinking indicators (**).
- 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.
AR Air receiver
DP1 Oil drain plug, air receiver
FC Oil filler plug
Gl Oil level gauge
Fig. 3.5 Air receiver
AF Air filter
CV Check valve
DP2 Oil drain plug, oil stop valve
DP3 Oil drain plug, check valve
E Compressor element
OF Oil filters
SV Safety valve
UA Unloader
VI Service indicator, air filter
Vs Oil stop valve
Y1 Loading solenoid valve
1 Warning: potential risk of sudden releasing of spring
underneath cover of unloader during disassembling,
have possible repair carried out by Atlas Copco
2 Arrow, motor rotation direction (depends on
compressor type)
Fig. 3.6 View on receiver/compressor element
50509F
FC GLDP1
AR
SV OF
UA
Y1 1 VI AF
CV DP3
Vs DP2 E
2
50363F
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