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8.2 MCB LED INSTRUCTIONS
LED REFERENCE 
DESIGNATOR
DESCRIPTION
RS485 DSP2
Indicates if the digital communication is working normally between the console and the MCB.  
Blinking = Normal.  
Off = Fault
MCU DSP1
Indicates if the console is working normally.  
Blinking - Normal.  
Light = MCU Fault.  
Off = MSU No Power.  
DOWN DSP5
Indicates if the console is commanding elevation down.  
Light = Normal.  
Off - No command from console received by the elevation motor.  
UP DSP6
Indicates if the console is commanding elevation up.  
Light = Normal.  
Off = No command from console received by the elevation motor.  
+12V DSP4
Indicates if the console voltage supply is present.  
Light = Normal.  
Off - 12 Volts are not provided by the MCB.  
CHAPTER 8: TROUBLESHOOTING