Power Quality Analyzer Model 3945-B
87
CHAPTER 7
MAINTENANCE
Useonlyfactoryspeciedreplacementparts.AEMC
®
will not be held responsible
for any accident, incident, or malfunction following a repair done other than by its
service center or by an approved repair center.
NOTE: After receiving your PowerPad
®
shipment, charge and discharge the
instrument one or two cycles to ensure the proper level display of the battery
indicator.
7.1 Recharging and Changing the Battery
The battery is automatically charged when the unit is connected to AC power.
NOTE: The instrument will not recharge if the message “Instrument will soon turn
OFF” is displayed on the screen. The Enter button must be pressed or the instru-
ment must be turned OFF before recharging will start.
WARNING:
• When changing the battery, disconnect all instrument inputs and turn the
equipment off. There must be a delay of at least one minute without the
battery being connected.
• Donotexposethebatterytoheatexceeding212°F(100°C)
• Do not short-circuit the battery terminals
7.2 Cleaning
Disconnect the instrument from any source of electricity.
• Use a soft cloth, lightly dampened with soapy water
• Wipe with a damp cloth and then dry with a dry cloth
• Do not splash water directly on the clamp
• Do not use alcohol, solvents or hydrocarbons