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User manual
Shut-down reset
1. Switch off the voltage and remedy the trouble. After
remedying and when the shut-down condition has
disappeared, switch on the voltage and press the key Rset.
2. Press the keys Menu and Main to return to the Main
screen and restart the compressor by means of button I.
Motor overload reset
1. Switch off the voltage and remedy the trouble. The overload
relay (F21) is automatically reset after cooling off but the
fan circuit breaker (Q15) must be reset manually. Switch
on the voltage and press the key Rset.
2. Press the keys Menu and Main to return to the Main
screen and restart the compressor by means of button I.
5.3 A shut-down warning message exists
A shut-down warning level is a programmable level below the
shut-down level.
1. If a shut-down warning exists, LED (7) is alight. The Main
screen will change into a screen similar to the one below:
Compressor out
bar 7.0
*Shutd Warn*
Menu ** ** Unld
F1 F2 F3
Fig. 5.3 Example of a shut-down warning screen
2. The indicators (**) are blinking and the message *Shutd
Warn* appears alternately with the messages indicating
whether the compressor runs unloaded or loaded.
3. Press the key Menu (F1) and the tabulator key (5) to select
the Status data menu, the option Protection is blinking.
4. Scroll to this option and select it by pressing the tabulator
key (5): option Warnings blinks. A screen similar to the
one in Fig. 5.4 appears:
Element outlet
C116
Shdw Max 110
Menu ** **
F1 F2 F3
Fig. 5.4 Example of a shut-down warning screen
The screen shows that the temperature at the outlet of the
compressor element (116 degrees Celsius) is too high.
5. Stop the compressor by means of button O and wait until
the compressor has stopped.
6. Switch off the voltage, inspect the compressor and remedy.
7. The warning message will disappear automatically as soon
as the warning condition disappears.
5.4 A service warning message exists
1. LED (7) is alight and the main screen will change into a
screen similar to that shown in Fig. 5.5.
Compressor out
bar 7.0
*Serv Requir *
Menu ** ** Unld
F1 F2 F3
Fig. 5.5 Example of a warning screen
2. The indicators (**) are blinking and the service warning
message appears alternately with the messages indicating
whether the compressor runs unloaded or loaded.
3. Press the key Menu (F1) and the tabulator key (5) to select
the Status data menu: the option Service is blinking.
4. Scroll to this option and select it by pressing the tabulator
key (5), two options may blink:
Inputs: if the programmed service level of a component
is exceeded (e.g. the maximum pressure drop of the oil
separator). See section 17.2.
Plans: if a service plan interval is exceeded. See the
related Instruction book.
5. Stop the compressor and switch off the voltage.
6. In case the service message was referring to Inputs (oil
separator): replace the separator, switch on the voltage,
scroll in the Status data menu to Inputs and press the
Rset key to reset the service message.
7. In case the service message was referring to Plans: carry
out the service actions related to the indicated plans. Reset
the timers of the related plans as described in section 15.
5.5 A warning message exists
1. LED (7) is alight and a warning message will appear on the
screen.
2. The indicators (**) are blinking and the warning message
appears alternately with the messages indicating whether
the compressor runs unloaded or loaded. This warning
indicates that:
- On water-cooled compressors, the cooling water outlet
temperature exceeds the programmed warning level.
- On Full-feature compressors (compressors with
integrated air dryer), the dewpoint temperature exceeds
the warning level.
- On GA Workplace FF with ICD the inlet temperature
of the compressed air into the dryer exceeds the warning
level.
- On GA Workplace FF with ICD the pressure in the
dryer vessels is lower than the minimum or higher than
the maximum limit.
3. Stop the compressor.
4. Switch off the voltage, inspect the compressor and remedy.
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