Troubleshooting
975-0125-02-01 4–7
Table 4-3 provides a detailed description of the warning messages and solutions.Table 4-3Warning MessagesW0 FET1 over-temp.
Check airflow
around it.
Automatic FET1 Over
Temperature Warning Ensure adequate ventilation
around the MS2000. Reduce
the AC loads.
W1 FET2 over-temp.
Check airflow
around it.
Automatic FET2 Over
Temperature Warning Ensure adequate ventilation
around the MS2000. Reduce
the AC loads.
W2 Bulk cap. over-temp.
Check airflow
around it.
Automatic DC Bulk Capacitor
Over Temperature
Warn ing
Ensure adequate ventilation
around the MS2000. Reduce
the AC loads.
W3 Transf’r over-temp.
Check airflow
around it.
Automatic Transformer Over
Temperature Warning Ensure adequate ventilation
around the MS2000. Reduce
the AC loads.
W4 Battery over-temp.
Check battery
settings.
Automatic Battery Over
Temperature Warning Check battery voltage and
battery cable connections. Stop
charging, if necessary. Check
for excessive ambient
temperature and adequate
ventilation in the battery
compartment
W5 Over-temperature.
Check airflow
around it.
Automatic Ambient Over
Temperature Warning Ensure adequate ventilation
around the MS2000. Reduce
charge rate or AC load.
W6 Too many AC loads.
Turn som e off. Automatic AC Overload W arning
(AC OUPUT) Turn off some AC loads.
W7 You have enabled
system restart after
faults.
Automatic Auto Restart After
Fault Feature Enab led.
(This parameter is not
accessible through the
System Control Panel.
In the future, this
feature may be
configurable with
advanced panels.)
If in invert mode, the unit may
start up unexpectedly.
W8 You have enabled
battery equalization.
See manual.
Automatic Equalization Enabled
Warn ing Make sure voltage sensitive
loads are disconnected fro m
batteries.