Chapter 6 Trouble Shooting
Proceed as follows for a quick detection of common faults.
Consult your dealer if the fault cannot be resolved.
Problem or Error message Cause Solution
When the PV array voltage is
higher than 240VDC for
SCC40MPPT and SCC80MPPT,
the battery charging stops.
Make sure the PV array
voltage is within the
rated voltage range.
The ambient temperature is too
high which causes the heat sinks
to overheat.
Place the unit in a cool
and well-ventilated
room.
The battery temperature as
measured by the Battery
Temperature Sensor (BTS-3) is
too high.
Check the battery
condition and place the
battery bank in a well-
ventilated room.
A communication failure between
Master and Slave units or
between Slave and Slave units
has occurred.
Check the connecting
cables between Master
and Slave units or the
cables between Slaves.
ERROR!!!
High Input Voltage
ERROR!!!
Over-Temp.
ERROR!!!
Parallel COM Failed
ERROR!!!
Battery Over-Temp.