User Manual—FS2000
System Maintenance and Trouble Shooting
A. System Maintenance
Daily maintenance of the lock will help to prolong its life cycle, reduce the
failure rate, and improve the reliability. Hereinafter are some maintenance tips
for your reference:
1) Please change the batteries immediately after the system has given low
battery alarm.
2) Please use the high-performance alkaline batteries.
3) When changing the batteries, please make sure that the electrodes of battery
are in strict accordance with the marks, and avoid the circumstances of
short circuit, grounding or wrong electrode group.
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