14 | Utility power abnormal |
| ↑ | ↑ | ↑ | ↑ | ● | ★ | ↑ | ↑ | ↑ | ↑ |
| Overloaded in battery |
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| Beep twice |
15 | mode, | ● | ● | ↑ | ↑ | ↑ | ↑ |
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| ● | ● | every sec. |
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| |
| Overloaded in battery |
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| Continuously |
16 | mode, | ● | ● |
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| beep |
| Cut off the output |
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17 | Over temperature | ● |
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| ● | ↑ | ↑ |
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| Continuously |
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| beep | ||||||
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18 | Inv abnormal | ● |
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| ● |
| ↑ | ↑ |
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| Continuously |
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| beep | ||||||
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| |
19 | Output short circuited | ● | ● |
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| ● |
| ↑ | ↑ |
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| Continuously |
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| beep | |||||||
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| |
20 | BUS voltage abnormal | ● |
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| ● |
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| ↑ | ↑ |
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| Continuously |
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|
| beep | ||||||
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| |
21 | Charger or battery failed | ● |
| ● |
| ● |
| ↑ | ↑ |
| ★ | Continuously |
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|
|
| beep |
22 | Battery voltage | ↑ | ↑ | ↑ | ↑ | ↑ | ● |
| ● |
| ★ | ↑ |
| abnormal |
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23 | BAT SCR failed | ● |
| ● |
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| ● |
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|
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| Continuously |
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|
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|
| beep | |||||
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| |
24 | Fan abnormal | ● | ● |
|
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| ● | ● | ● |
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| Continuously |
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| beep | |||||||
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| |
25 | Bypass STS failed | ● |
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| ● | ● | ● | ● |
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| Continuously |
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| beep | |||||||
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| |
26 | INV RLY failed | ● |
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| ● |
| ● | ● | ● |
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| Continuously |
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| beep | |||||||
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| |
27 | Communication | ● |
| ● | ● |
|
| ↑ | ↑ |
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| Continuously |
| abnormal |
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| beep |
●: Solid ON
★: Flash
↑: LED display and alarm warning are dependent on other conditions.
26