Quick Charge SCOXU User Manual
Page 9

make a change. A reprogramming video is available at 
quickcharge.com on the Select-A-Charge pages. 
 
TROUBLESHOOTING
Symptom
Cause
Corrective Action
When plugged into AC 
power the LED flashes 
red/green, and a 0 on 
display. 
Connected reverse to 
battery, or not connected 
to battery. 
 
Break in DC cord, or 
connector. 
 
Battery too dead to 
charge. 
Correct polarity, or 
connect to battery. 
 
 
Have a qualified person 
make repair. 
 
Replace. 
 
When plugged into AC 
power the display does 
not come on. 
No AC power.
Check circuit. 
 
Check extension cord 
for breaks or damage. 
When I put a volt meter 
across the output of the 
charger there is no 
power coming out when 
I plug it in. 
The charger must be 
connected to a battery to 
turn on. 
The batteries don’t 
receive a full charge. On 
wet cells, the specific 
gravity will not rise to a 
full reading after the 
charge has completed. 
The charger is too small 
for the battery. 
 
 
 
The charge profile is not 
set correctly. 
 
The cycle needs more 
time. 
 
 
The battery is defective. 
Check that the charger’s 
output is about 10% of 
the amp hour rating of 
the battery. 
 
Recheck the setting. If in 
doubt, contact us. 
 
Set gas/absorption to d2. 
 
 
 
Replace. 
On start up, the LED 
flashes red/yellow. 
Charger and battery 
voltage mismatch. 
Connect the charger to a 
battery(s) with the same 
voltage rating. 
