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User Guide
Fig. 20: Error Tests: During operation the HVU continuously tests itself. If one of the tests fails, one of the above
error messages will be displayed.
Navigating the menus
The DEVItector™ II V2 has four menu displays as shown
above. Each menu display features a number of menu
items.
• Selecting a menu item: Turn the knob until the
menu item flashes.
• Activating or deactivating a menu item: Press the
knob once.
• Changing the value of a menu item:
• Numbers: A number is composed of one or more
digits. Each digits is set in turn until all digits have
been entered.
The background of the active digit will flash. Turn
the knob clockwise to increase the value of the
digit, turn the knob counterclockwise to decrease
its value. Press the knob to enter its value and
continue to the next digit.
• ON/OFF values: Press the knob once.
Power on:
1. Turn the power on safety key in clockwise direction
to enable the power supply.
2. Press the backlit red button to activate the power
supply.
3. The power on menu will appear in the display.
4. From the power on menu, press the knob/dial
once.
5. The main menu will appear in the display.
12 | ©Danfoss | FEC | 2022.07
DEVItector™ II V2
Start Menu
After power on, the controller software initializes itself
and reports the progress in the display.
After initialization the Main Menu is displayed.
Main Menu
Here you select the operating mode among Burn,
Trace and Setup.
Burn menu
1. From the main menu, select menu "Burn".
2. Press the knob once to enter the burning menu.
3. The Burn menu will appear in the display. High
Voltage and DC voltage will be activated by default.
4. Burning:
a. HV and DC must be activated. Select menu item
"Burn" and press the knob once. To activate the
burning, you need to press the Safety Button for
the desired duration of the burning process.
b. To stop the burning process, release the Safety
Button, press the knob once again or switch OFF
the power using the red button or the safety key.
c. Adjust the DC voltage by turning the knob.
A low DC voltage may cause a slow burning
process.
A high DC voltage may cause a poor carbon
bridge to appear due to violent burning. This will
make it difficult or impossible to trace the fault.
The conductivity of the carbon bridge must be
several times larger than the heating conductors
in order to short circuit the remainder of the
heating cable.
BC421332622232fr-FR0101
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