Section 5 Maintenance Internal Battery
3BSE036351-510 A 193
The battery must be exchanged whenever:
• The PM8xx B(attery) LED flashes or is extinguished.
• Multiple or extended power cuts have occurred.
• Extended periods of system downtime have occurred for maintenance or
malfunctions.
For reasons of safety, exchange the battery only when the AC 800M is powered up.
Figure 63. Right-hand Cover Removal – here shown with PM860
Cover
Captive screw
Internal
battery
holder
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