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User manual MPPT Solar charge controller PowerXtreme XS20s
E18-XS20s-EN00
www.emergoplus.com
Page 46 of 49
and automatic recover as the
voltage is
lower than the set value
11
E13
Solar panel reverse
polarity
Do not charge
12
E15
Battery not connected or
lithium battery feed
As long as the solar panel
voltage meets
the charging condition, the
lithium battery
will have a voltage pulse, while
the lead acid
battery does not have a voltage
output
13
E16
Battery over temperature
Do not charge and disable load
output
14
E17
Battery low temperature 1
Disable load output
15
E18
BMS overcharge
protection
Do not charge
16
E19
Battery low temperature 2
Do not charge
17
E20
Battery reverse polarity
Do not charge and disable load
output
18
E21
Output capacitor
over-voltage
Do not charge