Motorola MC31XX Series Integrator Manual page 61

UBC Adapter Charge LED Status Indications
Table 2-3
LED Indication
STANDBY or Flashing-Yellow
FAULT Yellow
CHARGING Yellow
The battery was deeply discharged and is being trickle charged to bring the
voltage up to the operating level. After operating level voltage is achieved, the
battery charges normally.
Charging error, check placement of mobile computer/spare battery.
Normal charge.
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