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Troubleshooting Reference
975-0054-01-01 4–5
Fan runs all the time. The amount of power being
consumed by the appliances
is high.
The ambient temperature is
high.
No action. The fan will run at lower speeds
and stop automatically when the internal
temperature of the inverter falls.
No action. The fan will run at lower speeds
and stop automatically when the ambient
temperature falls.
For more information on the “Fan Cooling
System”, refer to page A–3.
Table 4-2
Troubleshooting Reference for the S400 Remote Switch
Problem Possible Cause Solution
The S400 Remote Switch is
On ( ), but its Inverter ON
light is off.
The On/Standby switch on
the inverter is in Standby ( )
mode.
The cable connection is loose
or faulty.
Switch the inverter to On ( ).
Check the cable.
The S400 Remote Switch is
On ( ) and the Inverter ON
light is illuminated, but
appliances do not operate.
The inverter is in fault/
protection mode.
Check the lights on the front panel of the
inverter. If the Fault light is illuminated, see
Table 4-1, “Troubleshooting Reference for
the XS400” on page 4–3.
Table 4-1
Troubleshooting Reference for the XS400
Problem Possible Cause Solution