February 2013
6-121
ColorQube® 9303 Family
GP 45
General Procedures/Information
GP 45 How to Check the Battery on the NVM Module PWB
Purpose
To correctly check the battery on the NVM module PWB.
Procedure
WARNING
Switch off the electricity to the machine. Refer to GP 14. Disconnect the power cord
from the customer supply while performing tasks that do not need electricity. Electricity
can cause death or injury. Moving parts can cause injury.
CAUTION
Ensure that ESD procedures are observed during the removal and installation of the NVM
module PWB.
Figure 1 ESD Symbol
1. Remove the NVM module PWB and battery assembly, REP 3.9.
2. Use a multimeter to check the voltage of the battery while it is installed on the NVM mod-
ule PWB, Figure 2. The nominal voltage range of an installed battery is between 2.7 volts
and 2.9 volts.
3. Install a new battery if the multimeter reading is lower than 2.7 volts. A multimeter reading
higher than 2.9 volts indicates that the battery is unloaded. Check that the battery is
located correctly on the NVM module PWB.
Figure 2 Battery test points
1
Connect the probes of the multimeter with
the test points on the battery.
Battery
NVM module PWB
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