8. Maintenance
All operations inside the unit must be performed only by a service engineer from the manufacturer or from an agent, authorised by the manufacturer.
The troubleshooting procedure gives simple remedial if a malfunction occurs in the UPS. The operator should start the trouble shooting if there is an active alarm indicated on the LCD screen. Service should be contacted if the active alarm is abnormal and displayed as a service code.
Call service if you are not able to solve the problem.
LCD display | Description | Action | |
|
|
| |
| The connected load needs more | Shut down the least important load | |
| that is connected to the UPS. The UPS | ||
| power than the UPS is rated to | ||
Overload | should switch back to normal | ||
provide. The inverter or static bypass | |||
| operation once the load level is | ||
| is supplying the excessive load level. | ||
| acceptable. | ||
|
| ||
| Your batteries are detected to be | Batteries should be replaced and you | |
Battery test failed | need to contact the local office or | ||
faulty. | |||
| representative of the UPS manufacturer. | ||
|
| ||
| The UPS is operating in stored energy | Make controlled shutdown of the | |
Battery low | mode. It will shut down soon due to | protected load immediately to prevent | |
| low battery voltage. | loss of data. | |
| The UPS is operating in stored energy | Save your data and perform a | |
On battery | controlled shutdown of your server | ||
mode. | |||
| load. | ||
|
| ||
|
| Check that fans are operational and | |
Overtemperature | High UPS temperature is detected. | ventilation holes are not blocked. Make | |
sure the ambient temperature is not | |||
|
| ||
|
| excessive | |
Table 41. Typical alarms displayed in the LCD screen of the UPS unit. | |||
Scrapping
Before scrapping UPS or its battery cabinet, the battery bank must be removed. Local requirements must be followed in battery recycling or discard. The removal of batteries is allowed only by authorised service personnel due to high energy and voltage.
Regular service/intervals
The UPS requires very little maintenance if installed in an appropriate environment.
Maintentenance | Interval |
Batteries change | ~ |
|
|
Batteries test | ~ 18 months / service |
|
|
Cooling fan change | ~ 5 years / service |
Table 42. Routine maintenance intervals recommended by the manufacturer.
Batteries
The condition of the batteries is crucial for operation. The UPS will indicate by audible and visual alarms if the capacity of the battery bank has decreased. The UPS units are provided with the automatic battery test and ABM management function to continuously monitor the condition of the battery bank.
36 | UPS 8 – 15 kVA, 230V 50/60 Hz output | 1022403 |
| User’s Guide | Revision B1 |
