Brand: ABB
Category: Lighting
Document Type: Installation Guide
Language: EN
Brand: ABB
Category: Lighting
Document Type: Installation Guide
Language: EN
Uploaded: April 20, 2026, 7:52 p.m.
Manual Publish Date: 2020-02-01
ABB reserves the right to amend instructions without notice to reflect changes in technology and standards.
| No. | Fault | Possible causes |
|---|---|---|
| 1 | LED lamp and indicator LED not lit | AC supply not connected; or AC supply turned off |
| 2 | LED lamp not lit but red indicator is lit | LED lamp damaged; or LED lamp plug incorrectly inserted in the mother board |
| 3 | LED lamp not lit but indicator LED is flashing green | LED lamp damaged; or LED lamp plug incorrectly inserted in the mother board |
| 4 | LED lamp is lit but red indicator LED not lit | LED damaged; or Check battery connection |
| 5 | The LED lamp does not switch to emergency mode when the test button is pressed | Test switch damaged |
| 6 | Indicator LED is constant green | Test switch damaged; or Self check fail - return to factory |
| 7 | Indicator LED not red after commissioning | Check battery connection and battery plug polarity |
| 8 | The LED lamp works momentarily on emergency when the test button is pressed | Battery not yet charged (allow up to 24 hours) |