No Comm From Micro to Outbd1

Loss of communication between the microprocessor and Output Board 1 (Outbd1).

Possible causes

Loose or damaged communication harness
Power failure at Outbd1
Defective electronic output module

Recommended actions

Check wiring integrity between micro and Outbd1
Verify presence of 12V and ground at the board
Check status LEDs on Outbd1 board
Replace Output Board 1

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