Maintenance 31 
Maintenance 
In this section 
Removing the UPS front bezel .................................................................................................................. 31 
Removing the ERM front bezel ................................................................................................................. 32 
Replacing the UPS electronics module....................................................................................................... 32 
Replacing the UPS option card................................................................................................................. 33 
Replacing the batteries............................................................................................................................ 34 
Replacing the UPS.................................................................................................................................. 35 
Replacing the ERM ................................................................................................................................. 36 
Updating the UPS firmware ..................................................................................................................... 37 
 
Removing the UPS front bezel