Owner's manual

Rev. I-100511 Page 23 P/N VDC28252-AA-Series-MNL
BatteryMINDer
®
Model 28252-AA-Series
TROUBLE SHOOTING
Problems Indication Possible Causes Suggested Solution
Unit does not work Indicator LEDs are not on No AC power Check AC connections and make sure Power switch is ON
Unit has no DC
output
Error LED is ON.
LCD displays E01
Output is short circuited
Output polarity connection to
battery is reversed
Check DC connection between unit and battery and make
sure they are not short-circuiting
Check clips / ring terminals to be sure polarity is correct
No Charging Current Error LED is Flashing and
LCD displays E04
Battery is severely sulfated
Battery has a damaged cell
Battery aged
Check the Battery condition, age, etc.
If battery cannot be desulfated, it must be replaced
Stop charging during
charging progress
LCD displays E05 or E06 Battery charger internal over heat
protection is activated-on, shutting
down charging functions
Fan faulty
Move battery & Unit to cooler environment
Check the fan on unit
Long charging time,
FLOAT LED does not
come on
Fault LED is Flashing
LCD displays E02, E03
or E04
Battery capacity is too large or bat-
tery is in very poor condition
6 hours soft start timer reached
15 hours bulk charge timer reached
12 hours absorption timer reached
Check charging rate, battery type and condition
Battery cannot be charged and must be replaced
LCD displays Normal
charge, but Error LED
continuously Flashes
Error LED Flash, LCD
meter displays normally
Sensor connections are faulty or
loose
Check Sensor connections
Ring terminal must be firmly fastened to the battery poles
Abnormal LED
indication
ALL LED’s continuously
or intermittently Flash
Poor connections from Unit to
Battery
Check for loose battery terminal connections
Check output lead clips. May be loose / damaged