02/04/2013
PM 2946 7002 09
Page 12 of 39
8 Shut-down
8.1 Description
The compressor will be shut down:
•
In case the temperature at the outlet of the compressor element exceeds the shut-down level.
•
In case of error of the outlet pressure sensor.
•
In case of overload of the drive motor.
•
In case of overload of the fan motor on air-cooled compressors.
8.2 Compressor element outlet temperature
If the outlet temperature of the compressor element exceeds the shut-down level (factory setting 120 °C/248 °F,
programmable) the compressor will be shut-down, alarm LED (5) will flash, automatic operation LED (3) will go out and the
following screen will appear.
Main screen with shut-down indication, element outlet temperature
The related pictograph will appear flashing:
1.
Press the Scroll button (12) until the actual compressor element temperature appears.
Shut-down screen, element outlet temperature
The screen shows that the temperature at the outlet of the compressor element is 122 °C.
2.
Switch off the voltage.
3.
Remedy the trouble.
4.
After remedying and when the shut-down condition has disappeared, switch on the voltage.
5.
Restart the compressor.
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