Precautions For Using Backup Battery; Backup Battery Replacement - Panasonic FP-XH M8N16PD User Manual

Maintenance and Inspection

25.1 Precautions for Using Backup Battery

25.1.1 Backup Battery Replacement

You can replace the backup battery of the FP-XH M8N control unit when the power is on.
Please replace the backup battery according to the following steps.
Do not use batteries other than FPXHBATT. Failure to do so may
result in an electric shock.
 Backup battery type (sold separately)
Appearance
 Number of installed batteries
For FP-XH M8N control unit, only one battery can be installed.
PROCEDURE
1. Power up the controller unit for more than five minutes.
When replacing the battery, charge up the built-in capacitor to maintain the
memory contents.
2. Turn the power off.
3. Open the cover.
4. Remove the used batteries.
5. Install the new battery within 2 minutes after cutting off the power supply.
6. Close the cover.
KEY POINTS
• You can replace the battery of the FP-XH M8N control unit when the power is on.
If you perform the replacement after cutting off the power, in order to charge up
the built-in capacitor, power up for more than 5 minutes, and complete the
replacement in less than 2 minutes. If the charging is not sufficient, it may lead
to unstable clock/calendar data. When storing the battery connector cables,
avoid them to be clapped into the cassette cover.
25-2
Product Name
Backup battery
for FP-XH
Specification
With connector
Product no.
AFPXHBATT