Chapter
2
Replacements
2.1
Hot-swapping battery modules
2.1.1
Identifying model number
To ensure that a new battery module is the same model as the old ones, verify the
new module’s model number.
1. Press the On/Off button on the new battery module to activate it. The green indi-
cator turns on first and then the rightmost blue indicator turns on a few seconds
later.
2. Press and hold the On/Off button for longer than 5 seconds. While the button
is pressed, the blue indicators show the last digit of the model number in binary
form.
2.1.2 Replacing a battery module
NOTE
Hot-swapping is permitted only with EM048063P3S1 and EM048126P3S6 models.
Replace a faulty battery module only when less than 1 A of current flows into or out
of it. This indicates that the battery module is neither charging nor discharging.
To replace a battery module, follow these steps:
13
