User manual
Load cannot be
operated
+
info LED flashes
red
+
2. green LED
flashes
•load output is switched off
due to excessive battery
voltage
the load output automatically
switched on again as soon as
the battery voltage lies within
the permissible range
•incorrect grounding
X check the grounding
•external charging source is
not voltage-limited
X check the external charging
source
X if necessary, switch off exter-
nal charging sources
Load cannot be
operated
+
info LED illumi-
nates green
•defective load or installation
error
X connect load correctly
X replace load
Battery is not
charged
•solar module not connected
X connect the solar module
•solar module connected with
incorrect polarity
X connect the solar module
with the correct polarity
•short circuit at solar module
input
X correct the cause of the short
circuit
•incorrect solar module
voltage
X use a solar module of the
specified voltage
•solar module defective
X replace the solar module
Battery display
jumps quickly
•large pulse current
X tune the current consump-
tion to match the battery
capacity
•battery is defective
X replace the battery
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