Built-In Battery Tester; Error Code - ACDelco AD-2002 Manual

Microprocessor monitors battery condition during charges for :
• Real-time battery voltage hold status
• Real-time battery charge percentage (%)
• Real time indication of failure occurrence during charges
Status information can be easily monitored through the 7 segment display and the LED
signals.
 Real-time charging status helps users
monitor charge status in both voltage
holding and charge percentage.
 Battery capacity level in % with 10%
increment from 10 to 90% and FUL
(i.e. 100%)
 Error codes are shown on the
indicator when failures occur during
charging process. Refer to the Error
Code chart for further details (as in
the right table and manual).

Built-In Battery Tester

【Error Code】

Er0 System Error - Contact Technician
Reverse polarity connection/Insufficient battery voltage/
Er1
Loose terminal contact
Er2 Short Cell/Overload charge
Cell Failure/High level sulfation
Er3
Er4 Overheating
Damaged battery
Er5
10