Maintenance; Battery Replacement - Elster enCore FC1 Operating Instructions Manual

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7 Maintenance

The FC1 is practically maintenance-free. Only the battery, which is required
for purposes of data retention when the power supply is switched off, must
be replaced at certain intervals.
This section contains instructions for replacing the battery and cleaning the
device, as well as contact data for customer service and the service hotline.

7.1 Battery Replacement

The FC1 battery mainly comes into use when the power supply to FC1 is
disconnected permanently, or it is being switched off and switched back on
at frequent intervals. Consumption of the battery can be neglected if the
power supply is connected.
In addition, the battery loses energy as it ages.
The battery must be replaced with a new one at least every 10 years.
Special cases
storage without power supply
The battery loses approx. 3 % of its charge every month if the
device is stored, but is not continuously connected with power
supply. The battery is completely discharged after 3 years of
storage.
We therefore recommend that the battery be replaced by a
new one when the FC1 has been without supply voltage for
longer than 1 year.
frequent switching on and off of the device
The battery also loses additional charge if the FC1 power
supply is switched on and off frequently during operation.
It is thus recommended that the battery be replaced by a new
one when the power supply has been switched off then
switched back on again more than 1,000 times.
enCore FC1
Operating Instructions
Page 83 of 97

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