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 system clock. The primary function of the clock it to provide time
stamp information for the BenchVue Power Control and Analysis Software. If the battery fails, the time
will not be available for the software. 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 C.
The part number of the battery is Panasonic CR 2032.
Replacing the Battery
1. Remove the instrument covers as described under Disassembly.
2. Use a flat-bladed screwdriver and carefully push on the tab to remove the pressure on the side of
the battery. Use needle nose pliers to lift the battery out.
The red arrow shows on
where to remove pressure
from the battery.
The red circle shows the
spring clips that hold the
battery.
3. Install the new battery. Make sure that the positive side (+) is facing up. Place the battery under the
small spring clips indicated by the circle, then push down on the opposite end of the battery indic-
ated by the red arrow. The top of the small spring clips should be visible after the battery is seated
(see red circle)
4. Replace the top cover when finished.
5. Reset the date and time (see Clock Setup)
7 Service and Maintenance
188 Keysight MP4300 Series Operating and Service Guide
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