YASKAWA CR700, Техническое руководство, Страница: 419 / 886

Periodic
Inspection
and
Maintenance
7
7.6 Replace the Keypad Battery
YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual 419
7.6 Replace the Keypad Battery
When the keypad battery is expired, the date and time go back to the default settings. Use this procedure to
replace the battery.
WARNING! Fire Hazard. Handle keypad batteries properly. Do not charge the battery or disassemble the keypad. If the battery
explodes, it can cause a fire.
To replace the battery, use a Hitachi Maxell “ CR2016 Lithium Manganese Dioxide Lithium Battery ” or an
equivalent battery with these properties:
• Nominal voltage: 3 V
• Operating temperature range: -20 °C to + 85°C (-4 °F to +185 °F)
WARNING! Fire Hazard. Do not disassemble batteries. Do not expose batteries to heat or fire. If the battery explodes, it can
cause a fire.
NOTICE:
Damage to Equipment. The keypad battery stays in use after you de-energize the drive. When you will keep the drive
de-energized for long periods of time, remove the battery from the keypad. When the expected life of the battery is complete,
replace the battery immediately. A dead battery in the keypad can leak and cause damage to the keypad and drive.
The performance life estimate of a new battery is:
• Ambient temperature 20 °C (68 °F): 5 years
• Ambient temperature -10 °C to +50 °C (14 °F to 122 °F): 3.5 years
1.
De-energize the drive and remove the keypad.
2.
Use a slotted screwdriver or other tool to turn the battery cover counterclockwise and remove the cover.
A - Battery cover
B - Opened
C - Closed
Figure 7.80 Remove the Battery Cover
3.
Remove the used battery from the keypad.
4.
Insert the new battery.
Note:
•The battery cover side is the positive pole. Make sure that the polarity is correct when you put the battery in the keypad.
•Discard the used battery as specified by local regulations.