Outback Power Systems GS8048 manual Hot or neutral Not be bonded

Troubleshooting

	Table 2	Troubleshooting
Symptom	Possible Cause	Possible Remedy
	Charge complete or nearly	Check the DC voltage and charging stage using the MATE3, if
	complete.	present. Confirm with DC voltmeter.
	MATE3’s DC meter reads	Check the DC voltage on the inverter’s DC terminals. If different
	significantly higher than actual	from the MATE3 reading, the inverter could be damaged.
	battery voltage.	Otherwise, check the DC voltage on batteries with a voltmeter. If
Low charge rate.		different from the reading on the inverter, this could be a DC
		connection problem.
	High output loads. If total loads	Turn off some of the output loads and test the charge rate again.
	and charge exceed the AC input
	setting, charge rate decreases
	to give priority to the loads.
	Generator input mode in use.	Radian charge rate is limited in this mode (see page 9.)
	No AC input.	See “Will not connect to AC” category.
Will not charge.
	Charger set to Off.	MATE3 system display only: Check the Charger Mode screen with
		the CHARGER hot key and set to On or Auto. (If this setting was
		intentional, then no action is required.)
Unusual voltage on	System neutral and ground may	Test L1 OUT, L2 OUT, and NEU test points with AC voltmeter. (See
hot or neutral	not be bonded.	page 33.) These measurements should give full voltage. Test NEU
output line.		and ground connections. This measurement should read zero
		volts. Any other result means neutral and ground are not bonded
		correctly. If this is the case, usually the hot line reads 60-75 Vac
		and the neutral reads 45-60 Vac, with respect to ground.
Unusual and	Input neutral is not connected	Test L1 input and NEU connections with AC voltmeter. Test L2
different voltages	correctly. The inverter also may	input and NEU connections with AC voltmeter. (This can be on
on AC hot input	not connect to the AC source.	Grid or Gen input, depending where the symptoms appear.) Test
lines.		L1 to L2 input. From hot to neutral should be approximately
		120 Vac. L1 to L2 should be approximately 240 Vac. If the two
		legs are different voltages but still add up to 240 Vac, the neutral
		is not connected to the inverter.
	Grid-tied function has been	MATE3 system display only: Check the Grid-Tie Enable setting in
	manually disabled.	the Grid-Tie Sell menu. Confirm it is set to Y.
	Grid Tied mode not in use on	MATE3 system display only: Check the Inverter part of the Settings
	the appropriate input.	menu to see if Grid Tied mode is in use. Confirm that it has been
		selected for the correct Radian input terminals.
	AC source does not meet	Verify grid voltage and frequency. Determine if they are within
Will not sell power	requirements.	the inverter’s approved limits. If not, the inverter is behaving
		correctly. Contact the utility company if necessary.
to the utility grid.
		MATE3 system display only: The program selections for limits are
		IEEE or user. They are found in the inverter’s Grid-Tie Sell menu.
	Inverter priority.	MATE3 system display only: Check Sell Status screen using the
		Home screen’s soft keys. The inverter may be behaving correctly.
	High output loads will consume	Turn off some output loads and observe the sell function.
	power before it is returned to
	the utility grid.

900-0020-01-00 Rev A 35