Restore The Default Password - Fluke 279 FC Calibration Manual

279 FC
Calibration Manual

Restore the Default Password

If the calibration password is lost, use this procedure to restore the default password (1234) manually:
To prevent electric shock or personal injury, remove all input signals before
you open the Product.
1. Before you start the procedure, make sure the beeper is turned on.
To open the Setup Menu, push .
a.
b. Use the top row of buttons to control actions within the Setup Menu. These buttons correspond to the softkey
labels that show on the display.
2. Turn off the Multimeter and remove all test leads.
3. Extend the tilt stand to expose the battery door.
4. Turn the battery-door latch until the unlock symbol () aligns with the arrow.
5. Lift off the battery door/tilt stand.
6. Remove the battery pack.
7. Remove the holster, starting at the lower left and right corners.
8. With a Phillips screwdriver, remove the bottom case screws (x4).
9. Remove the bottom case from the top case. Keep the PCA in the top case.
10. Connect the battery pack to the J9 battery connector on the PCA. The Multimeter turns on.
11. Short across the keypad (S2) on the PCA for >1 s until you hear a beep. See Figure 4. The default password is
restored.
12. Remove the battery pack.
13. Replace the bottom case and screws (x4).
14. In this order, replace the holster, battery pack, and battery door/tilt stand.
14
XW Warning
Figure 4. Calibration Password Reset
S2
Battery connector