Problem
Battery failed
Reverse polarity
protection
Failed in
pre- charge stage
Failed in Analysis
stage
Failed in
Desulphation stage
Battery failed or
damaged
Er2
Er3
Er4
Er5
The buzzer flashes
five times and the
red light flashes
Er1 + Red LED
light on
Error Codes Solutions
Check the battery voltage is for 12V
system
Battery has problem. Replace with a new
battery and try again.
Battery is too old or damaged. Replace
with new battery and try again.
Check the battery voltage is for 12V system
Remove the reverse, unplug immediately
from mains, connect the red clamp to
positive (+) battery post, and black
clamp to negative (-) post.
Check battery specification,12V battery
use 12V mode; 24V battery use 24V mode.
If still doesn't work,replace with new
battery and try again.
9
Error Codes &Solutions:
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