Matrix T50x-02, Service Manual

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Indicates if the main control unit is working normally.
LED display:
Blinking : Normally.
Light : MCU fault.
Off : MSU no power.
MCU
Indicates if the digital communication is working normally between upper
console and MCB.
LED display:
Blinking : normally.
Off : Fault
RS485
Indicates if console voltage supply is present.
LED display:
Light : Normally
Off : No 12 voltage provided by MCB
+12V
Indicates if the upper console is commanding elevation UP.
LED display:
Light : Normally
Off : No command from console into elevation motor
LED3 UP
Indicates if the upper console is commanding elevation DOWN.
LED display:
Light : Normally
Off : No command from console into elevation motor
LED2 DOWN
Description
Reference
Designator
LED