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Sun Gold Power Inc
www.sungoldpower.com
SUNGOLDPOWER LFP/LFPV Series
Pure Sine Wave Inverter Charger
Troubleshooting
1. Q: I hooked up shore power, but on the screen it shows AC abnormal.
A: If the screen displays "AC abnormal", it may caused by three reasons:
1. The inverter connect to shore power / generator, but the AC input doesn't
in the range which the inverter can be acceptable.
Please use the multimeter to measure the AC input voltage at the AC input
terminal of inverter and check if in the range.
2. If not connect to the shore power, it will displays "AC abnormal" when the
inverter operate under the inverter mode.
3. In battery priority mode, if there is a AC input when the battery power is
sufficient, the AC mains voltage can also be detected, but the display will still
show "AC abnormal".
If it falls into these three situations,
it is normal, because this is what our
software's set up. Thanks.
2. Q: The inverter charger doesn't charge the batteries.
A: If you switched SW5 to 0 (utility priority mode), please make sure that the
following settings are correct:
1. Please switch SW2 to 1 (if you connect to generator) and SW4 to 1 (if
60HZ);
2. Please choose the switch setting of battery type selector according to your
battery type and do not choose 0. The charge current can be adjusted from
0%-100% via a liner switch at the right of the battery type selector, please
make sure it is not 0%.
If you switched SW5 to 1 (battery priority mode), and if the battery voltage is
high/sufficient, the inverter cannot be transferred to the mains for charging, so
the battery is not charged. It won't transferred to the shore power to charge the
battery until the battery voltage is low.
3. Q：I hook up shore power and all setting are correct, but LCD display
shows AC input 0V, cannot charge the battery.
A: It seems the inverter cannot detect the AC input, please use multimeter to
measure the voltage at AC input terminal of inverter and make sure the AC
input voltage is qualified because some models (single phase model) only can
1
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Summary of Contents for Sun Gold Power LFP Series
- Page 1 Sun Gold Power Inc www.sungoldpower.com SUNGOLDPOWER LFP/LFPV Series Pure Sine Wave Inverter Charger Troubleshooting 1. Q: I hooked up shore power, but on the screen it shows AC abnormal. A: If the screen displays "AC abnormal", it may caused by three reasons: 1.
- Page 2 Sun Gold Power Inc www.sungoldpower.com accept AC 120V input, other models (split phase model) only can accept AC 240V input. 4. Q:What’s the battery priority? A: In battery priority mode (SW5 to 1), the inverter will get power from the battery despite the AC input being present.
- Page 3 Sun Gold Power Inc www.sungoldpower.com Please turn on the inverter under " power saver off" mode and try again. If you just want to turn on the inverter under " power saver auto" mode, then please switch SW3 to 1, and run a big loads, like more than about 500W and check again.
- Page 4 Sun Gold Power Inc www.sungoldpower.com A: Please switch SW5 to 1 (Battery priority ). 15. Q: What’s the fans operation logic of the inverter? A: For 1-3KW, 4KW 24V/48V there is only 1 DC fan; For 4KW 12V and 6KW , there is 2 fans, one is DC fan at the battery terminal side, another is AC fan at the AC input and output terminal side.
- Page 5 Sun Gold Power Inc www.sungoldpower.com 17. Q: What is the max AC output of the inverter？ A: If it is single phase, for example 3KW single phase inverter, the AC output power is 3000W, L1-N=120V; It is not suggested to connect big load to GFCI;...
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Questions and answers
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