Battery Replacement Procedure; Backup Power Time - Mitsubishi Electric Q12DCCPU-V User Manual

6
PREPARATORY PROCEDURES AND SETTING

(4) Battery replacement procedure

Before the C Controller module battery reaches the limit of its life, replace it by the
following procedure.
Before removing the battery, turn on the C Controller system power for 10 minutes or
more.
Data will be backed up by the capacitor for a while after removing the battery.
However, quickly replace the battery since the data may be cleared if it takes more
than the following guaranteed time.
Battery replacement
Back up data.
Power off the C Controller system.
Remove the C Controller module
from the base unit.
Open the cover of the C Controller
module.
Take the old battery out of the holder.
Insert a new battery in the correct
orientation, and connect the lead
connector to the connector.
Close the cover of the C Controller
module.
Mount the C Controller module on the
base unit.
Power on the C Controller system.
Check for battery error.
C Controller module battery is faulty.
Table 6.18 Backup power time

Backup power time

No battery error
Battery error
Figure 6.44 Battery replacement procedure
6.7 Specifications, Installation, and Replacement of the Battery
3 minutes
C Controller module
side connector
Battery side
connector
C Controller module
End
6.7.3 Battery replacement
1
2
3
4
5
Battery
6
7
8
6
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