VLT ® 2000 Series How to operate your VLT I The light diodes There are two light diodes on the display. Green light lights up when power is on and red light indicates alarm. See page 82 for a description of alarm indications. I Back to the factory setting 1. Switch off the VLT by disconnecting the supply voltage. 2. Press “Menu”, “Data” and “Jog” simultaneously. 3. Switch on the VLT and press the keys until the display (line A) writes FIRST. 4. Release the keys. The factory settings have now been activated again. I Back to Display group You can always return to the Display group, no matter where you are in the menus. You do it by pressing the “Menu” and the “Data” keys together.
I How to lock programming function You can avoid accidental programming by choosing the data value Locked in parameter 013. Even though parameter 013 is set to Locked , you can still change data via the serial port. I Operating without control panel The frequency converter is preprogrammed. All pre- programming is shown on page 105. You can change the parameters using the serial communication port. I The groups (modes) You can change between the 5 different groups (modes) shown in the display by means of the “Menu” and “Data” keys.
− Reference in % − Frequency in Hz − Display/Feedback − Current A − Torque % − Current supply kW − Output voltage V − DC voltage V (intermediate) − Thermal motor load % − Thermal inverter load % Display group: Your VLT will always be in Display group after start. In Display group you can choose between 10 different display indications by means of the “+” and “ − ” keys: Example of display indication (speed) 00,0 Hz FREQUENCY ➜ FUNCTION OK 1 . Direction of rotation Example of display indication (name) Status, local operation Setup number ( does not change on change of mode) Menu group: You can choose Menu group from either Display group or Parameter group by using the “Menu” key.
In Menu group you can see the different menus (0-6) in which you can find the parameters. You change between the menus by means of the “+” and “ − ” keys. 00,0 Hz 0.. OPERATION SETTING . Parameter number flashes 0.. = Cursor flashes Menu group Name 48 MG.20.B6.02 – VLT is a registered Danfoss trademark