2 if the red indicator is flashing, 3 if a battery does not accept a charge – INFICON HAPSITE ER Chemical Identification System User Manual
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HAPSITE ER Operating Manual
16.11.2.2 If the Red Indicator is Flashing
This indicates that the Battery Charger is unable to communicate with the battery 
(through the center pin). 
First, try the battery in a different receptacle. If the problem persists, contact 
INFICON Customer Support. See 
If the problem is solved, proceed to charge the battery, but suspect a problem with 
the receptacle. Inspect the receptacle, especially examining the center pin for any 
insulating material or for signs of looseness. If nothing seems wrong, contact 
INFICON Customer Support. See 
16.11.2.3 If a Battery Does Not Accept a Charge
If a battery’s charge status does not change during the charging cycle and the 
respective indicator has been green, the battery may be at the end of life. 
To be certain that the problem is not with the Battery Charger receptacle, try to 
charge the battery in an alternate receptacle. If the problem persists, replace the 
battery. If the battery should not be near the end of life, contact INFICON to discuss 
other possible steps. See 
