16 739.704 | 11.10
Display Meaning Cause / Remedy
Excessive module
current.
The permissible input
current of the con-
troller was exceeded.
Reduce the charging current or
module power.
Short circuit at load
output.
Rectify short circuit. Discon-
nect and reconnect the load.
Moon symbol during
daylight hours:
• Short circuit at
module input
• No module con-
nected
• Module connected
with incorrect
polarity
• Correct the short circuit at
module input. Sun symbol
appears after 10 s.
• Connect the module.
Sun symbol appears after
15 min.
• Connect the module with
the correct polarity.
No battery is con-
nected to the control-
ler or the connection
to the battery is
interrupted.
Controller is supplied only by
the solar modules. Connect
the battery and replace the
fuse in the battery cable if
necessary.
The battery is con-
nected to the control-
ler with the wrong
polarity.
Disconnect the battery and
reconnect it to the controller
with the correct polarity.
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