Battery Replacement
SHOCK HAZARD
Only qualified, service-trained personnel who are aware of the hazards involved should remove instrument
covers. Always disconnect the power cable and any external circuits before removing the instrument
cover. Some circuits are active and have power for a short time even when the power switch is turned off.
The internal battery powers the real-time clock. The primary function of the clock it to provide a time stamp for the
internal file system. If the battery fails, the clock and time stamp function will not be available. No other instrument
functions are affected.
Under normal use at room temperature, the lithium battery has a life expectancy between seven and ten years. Note
that battery life will be reduced if the instrument is stored for a prolonged period at temperatures above 40 degrees
Celsius.
The battery type is Panasonic CR 2032.
Replacing the Battery
1.
2.
The battery is located at the front panel PC board.
3.
Use a flat-bladed screwdriver and carefully pry up on the side of the battery.
4.
Install the new battery. Make sure that the positive side (+) is facing up. Place the battery under the small spring
clips closest to the ribbon cable connector, then push down on the opposite end of the battery to seat the
battery (see red arrow below). The top of the small spring clips should be visible after the battery is seated (see
red circle below).
5.
Replace the top cover when finished.
6.
Reset the date and time.
Properly dispose of the old battery in accordance with local laws and regulations.
10
Keysight EL30000 Series Service Guide