Samlexpower SMC-20 Owner's Manual - Section 6 |
12 | SAMLEX AMERICA INC.
SECTION 6 |
Troubleshooting
ISSUE
CAUSE
REMEDY
NO LED DISPLAY
Battery voltage too low
Pre-charge the battery
The external fuse in the
battery connection cable
has blown.
Replace the external fuse
Battery is not connected
1. Unclamp all connections
2. Connect a (new) battery with
the correct polarity
3. Reconnect the solar module
and loads
Battery is connected with
the wrong polarity
Battery is defective
INFO LED (1)
FLASHES RED
Charging interrupted due
to excessive charging
current ( > 20A)
Charging automatically continues
as soon as the charging current
lies within the permissible range
LOAD CANNOT
BE OPERATED
OR ONLY FOR A
SHORT TIME
+
INFO LED (1)
FLASHES RED
Load output is switched
OFF due to excessive load
current
- Reduce load current, if necessary
switch OFF or disconnect loads
- Check loads
Load output is switched
OFF due to short circuit at
load output
- Disconnect loads
- Correct the cause of the
short circuit
- Reconnect loads
Load output is switched
OFF due to overheating of
the solar charge controller
The load output automatically
switches on again once the solar
charge controller has cooled down
- Improve the cooling air
circulation
- Remove any other heat sources
- Check the conditions of use and
the mounting location
LOAD CANNOT BE
OPERATED
+
INFO LED (1)
FLASHES RED
+
RED BATTERY
LED (2a)
FLASHES
Load output is switched
OFF due to too low
battery voltage
The load output automatically
switches ON again as soon as the
battery voltage lies within the
permissible range
- Pre-charge the battery
- Use additional Low Voltage
Disconnect (LVD) for loads > 20A
that are connected directly to
the battery
- Check the battery and replace
if necessary