
Troubleshooting
11.1.2 Audible Alarm
An audible alarm will sound in conjunction with the visual indicators to indicate a change in UPS operating status. The audible alarm will sound as described in Table 5.
Table 5 Audible alarm description
| Condition | Alarm | |
| 
 | 
 | |
| Battery discharge | ||
| 
 | 
 | |
| Low battery | Two  | |
| 
 | 
 | |
| UPS fault, load on bypass | ||
| 
 | 
 | |
| UPS fault, no power to load | Continuous | |
| 
 | 
 | |
| Overload | ||
| 
 | 
 | |
| Battery replacement | ||
| 
 | 
 | |
| Battery loss | Continuous | |
| 
 | 
 | |
| Wiring problem | Continuous | |
| (loss of proper grounding for UPS) | ||
| 
 | ||
| Bypass reminder | ||
| 
 | 
 | 
11.2Troubleshooting
In the event of an issue with the UPS, refer to Table 6 to determine the cause and solution. If the fault persists, contact Emerson Channel Support.
Table 6 Troubleshooting table
| Problem | Cause | Solution | |
| UPS fails to start when the | UPS is  | Ensure UPS is Off. Disconnect all loads and ensure | |
| On/Alarm Silence/Manual | nothing is lodged in output receptacles. Ensure loads | ||
| overloaded | |||
| Battery Test button is pressed | are not defective or shorted internally. | ||
| 
 | |||
| 
 | UPS is not plugged in | UPS is operating from battery mode. Ensure UPS is | |
| 
 | securely plugged into the wall receptacle. | ||
| 
 | 
 | ||
| 
 | UPS input protection fuse has | UPS is operating from battery mode. Save data and | |
| 
 | close applications. Replace UPS input fuse, then restart | ||
| Battery indicator is illuminated | blown/opened | ||
| UPS. | |||
| 
 | 
 | ||
| 
 | 
 | 
 | |
| 
 | 
 | UPS is operating from battery mode. Save data and | |
| 
 | Utility power is out of tolerance | close applications. Ensure utility supply voltage is within | |
| 
 | 
 | acceptable limits for UPS. | |
| 
 | Batteries are not fully charged | Keep UPS plugged in continuously at least 24 hours to | |
| 
 | recharge batteries. | ||
| 
 | 
 | ||
| UPS has reduced battery | UPS is overloaded | Check load level indicator and reduce the load on the | |
| UPS. | |||
| backup time | 
 | ||
| Batteries may not be able to | Replace batteries. Contact your local dealer, Emerson | ||
| 
 | |||
| 
 | representative or Emerson Channel Support for | ||
| 
 | hold a full charge due to age | ||
| 
 | replacement battery kit. | ||
| 
 | 
 | ||
| Fault and Bypass indicators | UPS is overloaded or load is | Check load level indicator and remove  | |
| and all LED segments of | |||
| loads. Recalculate the load and reduce number of loads | |||
| battery level indicator are | faulty | ||
| connected to UPS. Check load for faults. | |||
| illuminated | 
 | ||
| 
 | 
 | ||
| 
 | 
 | 
 | |
| 
 | 
 | Ensure UPS is not overloaded, ventilation holes are not | |
| Fault and Bypass indicators | UPS has been shut down due | blocked and room ambient temperature is not | |
| excessive. Wait 30 minutes to allow UPS to cool, then | |||
| and diagnostic A indicator are | to temperature condition; load | ||
| restart UPS. If UPS cannot restart, contact your local | |||
| illuminated | is on bypass power | ||
| dealer, Emerson representative or Emerson Channel | |||
| 
 | 
 | ||
| 
 | 
 | Support. | |
| Fault and Bypass indicators | UPS internal DC bus | UPS requires service. Contact your local dealer, | |
| and diagnostic B indicator are | |||
| overvoltage | Emerson representative or Emerson Channel Support. | ||
| illuminated | |||
| 
 | 
 | ||
| 
 | 
 | 
 | 
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