Troubleshooting Reference - Xantrex PROwatt 1000 Owner's Manual

Troubleshooting Reference

WARNING: Electrical Shock and Burn Hazard
Do not dismantle the Prowatt 1000. It does not contain any user-serviceable parts.
Attempting to service the unit yourself could result in an electrical shock or burn.
Table 5-1 Troubleshooting Reference
Problem
Low output voltage (96 Vac–
104 Vac)
Low output voltage and the
indicator is in the red
AMPS
area.
No output voltage and the
indicator is in the
VOLTS
lower red area.
No output voltage; no voltage
indication.
No output voltage and the
indicator is in the
VOLTS
upper red area.
Low battery alarm stays on
and the voltage indicator is
below 11 V.
Possible Cause
You are using a voltmeter that
cannot accurately read the
RMS voltage of a modified
sine wave.
Overload
Low input voltage
The inverter is off.
No power to the inverter.
Inverter fuse open.
Reverse DC polarity.
High input voltage.
Poor DC wiring; poor battery
condition.
Troubleshooting Reference
Solution
Use a true RMS reading voltmeter.
Reduce the load.
Recharge the battery; check the
connections and cable.
Turn the inverter on.
Check wiring to the inverter.
Have a qualified service technician
check and replace the fuse if necessary.
Have a qualified service technician
check and replace the fuse, making
sure to observe correct polarity.
Make sure the Prowatt 1000 is
connected to a 12 V battery.
Check the voltage regulation of the
charging system.
Use proper cable and make solid
connections. Charge the battery. Install
a new battery.
5–3