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

Page 37
Image 37
Outback Power Systems GS8048 manual Hot or neutral Not be bonded