Procedure
Starting from the Main screen (see Main screen menu), press key “Menu” (F1). Following screen appears:
.
Status data
.
MainScreen Select
F1 F2 F3
No shut-down warning message or shut-down message exists
• General alarm LED (1) is out.
• After pressing key “Select” (F2), a message will appear indicating that all conditions are normal:
.
All protection functions are OK
.
Menu
F1 F2 F3
• The top line of the display and the indicators (***) on the fourth line are blinking.
• It remains possible to scroll through other menus and then return to the “Status data menu”. In this
case, the first option (“Shut-downs”) will be shown. Press the key “Select” to return to the screen
shown above.
• Remedy the trouble.
A shut-down warning message exists
• LED (1) is alight and a shut-down warning message automatically appears on the display if a shut-
down warning exists.
• The indicators (***) are blinking and the warning message appears alternately with the compressor
status message.
• Press the key “Menu” (F1).
• Press the key “Select” (F2), scroll to the option ”Warnings” and select this option. A screen similar to
the one below appears:
• The screen indicates that the temperature at the outlet of compressor element 1 exceeds the
programmed shut-down warning level.
• The warning message will disappear automatically as soon as the warning condition disappears.
• Remedy the trouble.
Before starting any maintenance or repairs, press stop button (0), wait until the
compressor has stopped, press emergency stop button (S2) and open the isolating
switch (customer's installation) to switch off the voltage to the compressor.
Close the air outlet valve and depressurize the air system.
Instruction book
2920 1815 04 55
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