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Shure Incorporated
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Color
State
Error LED amber flashing
Charging stopped. To resume charging, try these solutions:
Check that the battery contacts are clean and undamaged. If con
tacts are dirty or damaged, the charger might not detect the batter
ies.
Check the temperature. If the battery temperature is above 60°C or
below 0°C, the error LED flashes.
Contact Shure service. Battery may be discharged beyond recovery
or have internal problems. Replace battery.
Error LED amber steady on 4 chargers
Error LED amber flashing on 5th charger
Too many chargers (more than 4) are connected to each other. Remove ad
ditional chargers.
Charge status LED red
Error LED amber flashing
Battery too warm. Charging stops at 80% of full capacity. Allow battery to
cool below 45°C to resume charging to full capacity.
Charge status LED green
Error LED amber flashing
Charging complete, but battery temperature is too warm or cold (over 60°C
or below 0°C).
Power LED red
Charger is in storage mode. Batteries are charging or discharging to stor
age voltage.
Power LED red
Charge status LED amber
Batteries are ready for storage.
Power LED red
Charge status LED red flashing
Batteries are approaching storage voltage.
Power LED white flashing
Charger firmware is being updated.
All LEDs flashing
Hardware identification.
Tip:
Wireless Workbench provides more detailed battery status information.
Storage Mode
To store batteries for longer than 8 days, use the charger's storage mode. Each battery will be charged or discharged to 3.8
volts, which is ideal for long-term storage.
To enter storage mode, press and hold storage for 3 seconds until the power LED turns red. The batteries will begin charging
or discharging to 3.8 volts, which may take several hours. The LEDs indicate when the battery is approaching storage voltage
or at storage voltage.
To exit storage mode, press and hold storage. The power LED changes to white and batteries resume charging normally.