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3.2.5 Replacement of 48V power supply 
 
Take care of ESD handling 3.2.1 Handling ESD-sensitive parts 
How to replace 48V power supply in Controller box 
Note: use the same procedure for power down and removing the aluminum covers as in  
Chapter 3.2.2 Replacement of motherboard 3.1 and 3.2.3 Replacement of Safety Control Board (SCB) 
 
1.  Remove the handle on Controller box by loosen the 2 screws holding it. 
 
 
2.  Removes the black and orange wires for the energy eater/fan.