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7 Troubleshooting
PROBLEM: AC product will not operate, no inverter
lights are ON.
PROBLEM: Measured inverter output is too low.
Possible cause Remedy
Battery is defective. Check battery and replace if
required.
Loose connections. Check connections.
Fuse is blown. Replace fuse (see page 19).
Possible cause Remedy
Standard “average-
reading” AC voltmeter
used to measure output
voltage, resulting in an
apparent reading 5 to 15 V
too low.
Inverter’s “modified sine
wave” output requires “true
RMS” voltmeter for accurate
measurements.
Battery voltage is too low. Recharge battery.