After pressing and holding “MENU” button for 6 seconds, the unit will enter reset model. Press
“UP” and “DOWN” button to select programs. And then, press “ENTER” button to exit.
(default)
Reset setting disable
Reset setting enable
4.5 Reference Code
Fault Code
Fault Cause
LCD Indication
01
Battery voltage class error
02
Hardware protection
03
Over current
04
Battery voltage is too low
05
Battery voltage is too high
06
Current is uncontrollable
07
Over temperature
08
Current sensor error
09
PV voltage is too high
10
Fan fault
11
Voltage point setting error
5.CHARGING LOGIC
5.1 3-stage Charging
In general, this solar charge controller is designed with 3-stage battery charging algorithm for fast,
efficient, and safe battery charging. The following picture shows the sequence of charging stages.