Filter
Top Products
If Utility Power is NOT Available
975-0288-01-01 3–5
If Utility Power is NOT Available
The following fault conditions may arise when utility power is not
available.
Table 3-2
Possible Problems if Utility Power is Not Available
Problem Probable Cause Solution
Low output voltage.
(96 Vac to 104 Vac)
Voltmeter used cannot accurately
read the RMS voltage of a
modified sine wave.
Use a true RMS voltmeter.
Display is OFF, AC is not
available on both
hardwired and units
AC sockets.
The unit is OFF.
The inverter has no output.
The unit might have been
connected with reverse DC input
polarity.
Turn the unit ON.
•Check battery box connection.
•Check battery box fuses.
•Check wind or solar connections.
•Check battery box fuses (all 10 of them)
and check battery polarity.
•Correct the cabling if connected
improperly.
•Replace the fuses in the battery box.
If the unit still does not start, it may be
damaged. Damage caused by reverse
polarity is not covered by the warranty.
AC is available but alarm
beeps.
Low Voltage Warning
(error code E05)
Over Load Warning
(error code E06)
Over Temperature Warning
(error code E07)
Charge battery immediately or unit will
be under voltage shutdown shortly.
Load applied to unit is close to overload
shutdown, reduce the load immediately or
overload or over temp may occur shortly.
Check unit ventilation and reduce the load
applied to the unit or unit will run into
over temperature shutdown shortly.
Display is ON, AC is
available on hardwire but
not on unit AC socket
15 A supplementary protector
has tripped.
Press reset button on the front panel to
reset the protector.