User manual MPPT Solar charge controller PowerXtreme XS20s
E18-XS20s-EN00
www.emergoplus.com
Page 45 of 49
10.8 Error search table
No.
Error
indication
Description
Results of execution
1
EO
No exception
System normal
2
E1
Battery over discharge
Disable load output
3
E2
Battery over voltage
Do not charge
4
E3
Battery under-voltage
warning
If battery voltage is lower than
the under-voltage warning
threshold, only give a reminder,
and the system is normal
5
E4
Load short circuit
The load is turned off and the
maximum recovery is 5 times a
day.
6
E5
Load over-current
The load power is too large. So,
reduce the load, and the output
power will return to normal
7
E6
Controller internal over
temperature
MPPT controller starts
intelligent linear
power charging; PWM controller
turns
off charging
8
E7
Battery over temperature
Turn off charging and
discharging, and
automatically recover as the
voltage is
below a certain value
9
E8
Solar panel input power
too large
The MPPT controller charges at
a rated
current; PWM controller turns
off charging
10
E10
Solar panel over voltage Solar panel over-voltage; turn off
charging,
