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Keypad (HMI)
Battery:
NOTE!
The battery is necessary only to keep the internal clock operation when the converter stays without
power. If the battery is completely discharged or if it is not installed in the keypad, the displayed clock
time will be invalid and an alarm condition A181 - Invalid clock time will be indicated whenever the AC
power is applied to the converter.
The battery life expectancy is of approximately 10 years. When necessary, replace the battery by another of the
CR2032 type.
Cover for battery
access
4
Remove the battery with
the help of a screwdriver
positioned in the right side
NOTE!
At the end of the battery useful life, please do not discard batteries in your waste container, but use
a battery disposal site.
4-2 | CFW-11 RB
Cover
1
Press the cover and rotate it
counterclockwise
4
7
Press the battery for its
insertion
Figure 4.2: HMI battery replacement
2
5
HMI without the battery
8
Put the cover back and
rotate it clockwise
3
Remove the cover
6
Install the new battery
positioning it first at the left
side
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