anton-bauer tandem 70 User Manual

 

5 

 

The Tandem has three LEDs one red (charger), two green (ready and status).  The status 
green LED indicates three states;  1) solid green LED indicates Tandem is operating as a 
charger.  2) Flashing status green LED indicates Tandem is operating as a power supply.  
3) No green LED indicates power has been removed from Tandem. 

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The red and green LED’s will indicate the charging status of the battery.  The following 
table identifies all of the LED indications and their meaning: 

Top Edge of Paper is used as a 

Cropmark.

 

Alternating 

Red & Green 

Indicates that the Tandem is evaluating the battery and/or 
communicating with a DIGITAL battery, loading battery 
parameters and determining the appropriate charge routine.  A 
low voltage (<11V) battery will cause this indication to continue 
until the battery is “rejuvenated” to a safe charging voltage. 

NOTE:  This indication will continue if a non-Anton/Bauer Logic 
Series battery is mounted on the charger.  These batteries cannot 
identify themselves to the Tandem and will not be charged. 

Steady Red 

Indicates that the battery is being held by the Tandem to stabilize 
an out-of-range temperature condition. 

Flashing Red 

Indicates that the battery is currently under Stage One charge. 

Flashing Green 

(slow rate) 

Indicates that the battery is currently under Stage Two charge. 

Flashing Green 

(fast rate) 

Indicates a fully charged DIGITAL battery is placed on the 
charger and a FUL cutoff condition cannot be met.  The charger 
is VERIFYING that the battery is in a full charge condition. 

Steady Green 

Indicates that the battery is READY and in Stage Three Lifesaver 
mode.  

 

Green Status LED

Red/Green Charge Status LED