Restore The Default Password - Fluke CNX t3000 Calibration Manual

Restore the Default Password

If the calibration password is lost, the default password (1234) can be manually restored
with the subsequent steps:
To prevent electric shock or personal injury, remove all input
signals before you open the Product.
1. Remove the Product battery door. See "Battery Replacement".
2. With a Phillips screwdriver, remove the bottom case screws. Two of the screws are
inside of the battery door.
3. Keep the pca in the top case.
4. Apply 3.0 V across the battery contacts on the pca. Note the polarity that is shown in
Figure 3.
5. Push  on the front of the Product.
6. Short across the CAL keypad on the pca. See Figure 3. The default password is now
restored.
7. Remove the 3.0 V supply and replace the bottom case, batteries, and battery door.
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 Warning
Battery
contacts
J4
S6
J3
Figure 3. Calibration Password Reset
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Wireless K-Type Thermometer
Before Calibration Adjustment
Short across calibration key
pads to reset default password
hcb08.eps
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