Omron HeartGuide BO8000-L Instruction Manual page 59

Problem
The monitor or the AC
adapter is abnormally
hot when charging the
battery.
The operating time is
short, or the monitor
does not operate, even
when the battery is
fully charged.
The monitor or the AC adapter may be damaged. Unplug
the AC adapter from the outlet immediately and contact
customer service. Refer to section 13 (page 69).
This may be due to the life of the rechargeable battery. The
battery cannot be replaced. Contact customer service (refer
to section 13 (page 69)) or dispose of your monitor. Refer
to sub-section 9.5 (page 61).
8. Error Messages and Troubleshooting
Cause and Solution
58