Restoring The Default Password - Fluke 150 Series Calibration Manual

Restoring the Default Password

If you forget the calibration password, the default password (1234) can be restored using
the following steps.
To avoid electrical shock or personal injury, remove the test
leads and any input signal before removing the Tester's bottom
case.
1. Remove the back case from the UUT. Leave the PCA in the top case.
2. Apply 6.0 V across the battery contact pads (J8) + and − on the PCA.
See Figure 6.
3. Short across the Cal keypad (S8) on the back of the PCA. See Figure 6.
4. Turn the rotary knob from
default password is now restored.
5. Remove the 6.0 V supply, turn the rotary switch to
on the UUT.
Cal Keypad
riešenia na presné meranie
XWWarning
to . The UUT will beep and display CAL. The
OFF V
Figure 6. Restoring the Default Password
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Insulation Testers
Calibration Adjustment
, and install the back case
OFF
Battery Pads
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