Maintenance; Maintenance Mode - Fluke 377 Calibration Manual

377/377 FC/378/378 FC
Calibration Manual

Maintenance

If the Product is used appropriately it does not require special maintenance or repair. In case of
repair, go to www.fluke.com
To prevent possible electrical shock, fire, or personal injury:
• Remove the input signals before you clean the Product.
• Repair the Product before use if the battery leaks. Battery leakage may create a
shock hazard or damage the Product.
• Use only specified replacement parts.
• Have an approved technician repair the Product.
• Remove the batteries if the Product is not used for an extended period of time, or
if stored in temperatures above 50 °C. If the batteries are not removed, battery
leakage may result.

Maintenance Mode

In Maintenance Mode you can check:
LCD segments

Firmware version

Battery status annunciators

Fluke Connect LED

Backlight

To enter Maintenance Mode:
1. Turn off the Clamp.
2. Push and hold
3. The Clamp goes into the option mode.
B
4. Push until
M
5. Push .
All LCD segments turn on and the backlight turns off.
e
6. Release .
All LCD segments continue to show on the display.
e
7. Press again to show the firmware version.
12
for contact information of Fluke Service Centers worldwide.
e
as you turn the control knob to
shows on the display.
 
 Warning
V
.