failure mode
FM-03: FM-03 THE BATTERY OR CHARGER WILL NOT BEGIN OR COMPLETE A CHARGE
FM-03 THE BATTERY OR CHARGER WILL NOT BEGIN OR COMPLETE A CHARGE
Diagnostic overview
FM-03 THE BATTERY OR CHARGER WILL NOT BEGIN OR COMPLETE A CHARGE
Likely Root Causes
- - Charger is unplugged or the outlet has no power
- - Battery is not fully inserted in the charger
- - Pack or charger is too hot or too cold
- - Conductive debris blocks the charger cavity or terminals
- - Battery cells, charger, cord, or indicator circuit has failed
Quick Checks
- compatible known-good battery or charger.
Related symptoms
The charger green LED does not flash, never becomes steady, or the battery remains discharged.
The charger green LED does not flash, never becomes Unplug the charger and remove the battery before inspecting or FM-03
Included in the full manual
- root cause analysis
- tools needed
- step-by-step repair procedure
- diagrams
- exploded views
- post-repair checks
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