Conext SW4048 4,000W 48V Installation

Troubleshooting the Conext SW via the SCP
975-0638-01-03 5–11
Table 5-4 provides a detailed description of the warning messages and solutions.
If you are unable to resolve the problem after referring to this table, contact
customer service.
Table 5-4 Warning Messages
Code Message Fault Type Cause Solution
W48
DC under voltage
(Warning)
Automatic Voltage at the DC
input terminals is
below the Low
Battery Cut Out
(LBCO) setting.
Check for the correct battery
voltage at the inverter's DC
input terminals.
Check for external DC loads
on the batteries.
Check condition of batteries
and recharge if necessary.
Reduce the Low Battery Cut
Out (LBCO) setting.
Battery bank capacity may
be inadequate for the loads
in the system.
W92
Input Connected
to 3-Phase AC
Automatic
(Appears only in
split-phase model
units)
A 3-Phase cable is
connected to the
AC IN L1/L2/N
terminals.
Disconnect the AC input
power source immediately
and remove the cable from
the inverter’s AC IN terminals.
Service may be required.
W93
Wrong Batt
Temperature
Sensor
Automatic An unknowns BTS
was plugged into
the BTS port.
Use only the BTS that was
provided with the Conext SW
Inverter/Charger. To order,
use product number 808-
0232-02.
NOTE: A W252 event code is reported by the SCP when restoring Conext SW to
its default settings. See page 4–35. A W298 event code is reported by the SCP
when the AC output frequency is changed. See also page 4–35. These events
will clear automatically.