User manual

WisDom User Manual 49
NOTE:
Your installer may have locked the battery case by an internal screw. In
this case contact your installer to replace the batteries.
2)
CAUTION: Replace all the batteries with the same battery
type. Pay attention to the batteries polarity printed on the
case.
3)
Put the battery housing back to its place. The low battery
trouble should disappear within 4 minutes.
NOTE:
After replacing rechargeable batteries you should charge them for at
least 12 hours.