All rights reserved  60  Service Manual e-Series (EN) 1.1.8 
4.2.2 Dismantling the OEM AC and DC Control Box 
 
The OEM AC and DC version are special 
Control Box units made for OEM 
installation in AC and DC environments. 
WARNING 
Before replacing ANY components inside the Control Box, you MUST do a complete 
shutdown.  
Follow the first 3 steps in section 6.5 Complete rebooting sequence. 
NOTICE 
Exercise caution when handling ESD sensitive parts.  
See section 2. Handling ESD-Sensitive Parts 
If possible, lay the Control Box on its back. 
Assembling is done in revers from the steps shown.