Description

This Dixie-Narco SIID main control board has been tested and confirmed working in a Dixie-Narco soda machine. It serves as the primary logic board controlling machine functions including pricing, credit handling, vend motor control, and communication with payment systems.

Condition:

Used and tested working

Equipped with EPROM version 381.31

Includes factory-installed metal shield cover

Nothing broken or missing

Standard cosmetic wear from in-machine use

Not refurbished — sold exactly as tested

Compatibility:

Fits Dixie-Narco machines using the SIID control system, including many models of:

DN 501E

DN 501T

DN 276E / 368E / 440E / similar series

Compatible with MDB payment systems, coin changers, and bill validators (depending on firmware)

Features:

OEM Dixie-Narco SIID logic board

Controls vending operations, diagnostics, and payment processing

EPROM 381.31 installed — a commonly supported firmware version

Plug-and-play replacement for failed or intermittent boards

Notes:
A reliable, machine-tested SIID control board, ready to install. Ideal for repairing Dixie-Narco soda machines experiencing logic failures, no-vend conditions, or payment communication issues.