Xantrex XTR 100-8.5, Operating Manual

Page: 39 / 286

Step 5: Performing Functional Tests
M370046-01 2-9
2
Voltage and Current Mode Operation Checks
To perform the voltage and current mode operation checks:
1. Ensure that the front panel power switch is in the On position and the
output is disconnected.
2. If the OUTPUT ON/OFF button is illuminated, press the button to
turn off the output.
3. To check voltage mode operation, turn the mode control knob to the
VOL position.
The voltage set point will blink dimming and then return to full
brightness. For more information, see “Local Operation” on page 3–1.
4. Adjust the voltage to 5 V.
5. To check current mode operation, turn the mode control knob to CUR
position.
Verify that the current set point is blinking in the output current
display.
6. Adjust the current to 1 A.
7. Press the OUTPUT ON/OFF button to turn On.
8. Turn the front panel power switch to the Off position.
9. Turn the front panel power switch to the On position.
10. Connect a short circuit across the output terminals. Use leads of
sufficient current carrying capacity. (See “Step 4: Selecting Load
Wires”.)
11. If the OUTPUT ON/OFF button is not illuminated, press the button to
turn on the output.
CC Mode LED illuminates and the voltage and current are displayed.
CV Mode LED illuminates and the preset load current is displayed.
12. Turn the front panel power switch to the Off position.
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