Maintenance
D000030110 d – E650 Series 3 (ZMD400AT/CT, ZFD400AT/CT) – User Manual
Fig. 7.3
Removing the battery
4.
Mark the current date on the new battery.
5.
Withdraw the old battery from the holder and insert the new battery.
6.
Push the battery holder with battery into the battery compartment until
the latch engages.
7.
Reset the battery hours counter to zero with the relevant formatted
command (see section 5.8 "Input of Formatted Commands") or in the
set mode (see section 5.9 "Changing Values in Set Mode").
8.
Close the front door.
9.
Re-seal the front door.
10. Dispose of old batteries as hazardous waste in accordance with local
regulations.
Checking time-of-day and date
After inserting the battery, check the time-of-day and date without power
applied and set these values again if necessary.
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