Maintenance
4.0Scope
Maintenance includes a troubleshooting guide of symptoms and possible solutions, hot swapping the Power Module and Battery Module, and testing scenarios.
4.1Troubleshooting
◗ If any of LEDs 17 or 18 is on, there is an operating anomaly or an alarm.
◗Use "scroll up" or "scroll down" function button to reset the audible alarm. Table
Symptoms | Indication | Correction | |
LED | 17 is on, and Bypass AC | AC source is not connected | Rewire correctly to the Normal AC |
source is present | to the correct terminals. | source. | |
the LCD display shows |
|
| |
BAD CONNECTION |
|
| |
REWIRE AC NORMAL |
|
| |
LED | 17 is on, | Load supplied by Bypass AC source. | Push the ON button for more than 3 |
the LCD display shows: |
| seconds. | |
LOAD LEVEL |
|
| |
XX kW / XX KVA |
|
| |
LED | 17 is on, and Bypass AC | UPS overload | Check if any device is shorted or |
source is present |
| failed. | |
the LCD display shows: |
|
| |
THERMAL OVERLOAD |
|
| |
1XX% |
|
|
|
|
|
|
|
LED 18 is on, the LCD | Short circuit conditions on output |
display shows: | devices. |
CURRENT OVERLOAD |
|
Check if any load has shorted or failed.
LED 15 is on, | 180° degree phase shift between |
but the LCD display shows: | bypass and normal AC source. |
BYPASS REVERSE |
|
REWIRE BYPASS |
|
Check if Bypass source is correctly wired
(in case of upstream transformer use).
Audible alarm is on, | Input/Output box not | Check if the Input/Output box |
the LCD display shows: | installed correctly. | is correctly installed. See section 2.7. |
I/O BOX REMOVED |
| Check for correct I/O Box. |
|
|
|
Maintenance | 4 — 1 |
