Emerson 208 User Manual

Every Battery, Power and Control Module features two LEDs to help inform the user of the module 

status, as shown below left. Refer to Table 2 for details.

Module not inserted into 

frame. System is OFF.

Module is initializing

(max 30 seconds*).

Normal Operation

Module is in start-up 

qualification mode or module 

warning. **

Module failed and is off-line.

Abnormal operation, 

re-insert module. 
If this persists, contact 

Liebert Global Services at 

1-800-543-2378.

* If this persists for more than 30 seconds, check to verify the 

lever is in the down position, otherwise the module is faulty.

** If both green and yellow LEDs are flashing for more than 30 

seconds, then reinsert module.