NHL-10
Baseband Troubleshooting CCS Technical Documentation
ISSUE 2 01/2004 COMPANY CONFIDENTIAL 17
Copyright © 2003 Nokia. All Rights Reserved.
Always check the backup battery visually for any leakage or any other visual defect.
Check that the backup battery is correctly mounted in the device before closing the cover.
Check with Phoenix that the backup battery is OK.
Measure the voltage of the backup battery
• Normal operation when the voltage is > 2.0V
• Fully charged when the voltage is about 3.2V
Enable backup battery charging. (Start to charge the main battery or boot the device to LOCAL
or TEST mode.)
Measure the voltage of the backup battery during charging, it should arise if it is not 3.2V, yet.
When the voltage is over 2.0V for sure, check the backup battery with Phoenix.
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