MEI MARS CPI VN2512 VN U3 $1 $5 BILL VALIDATOR ACCEPTOR W/ HARNESS MDB 24vPre-Owned MEI MARS CPI VN2512 VN U3 $1 $5 BILL VALIDATOR ACCEPTOR W/ HARNESS MDB 24v. The bill acceptor comes from a working vending machine. We have other vending machine parts and will be listing more in the coming weeks. Be sure to check them out in our eBay store. Ships insured.
The MEI Mars CPI VN2512 U3 is a highly reliable, 24-volt Series 2000 bill validator designed for unattended vending equipment like soda and snack machines. The "U3" designation typically denotes a Flashport model with updated firmware, making it capable of accepting modern currency—including updated $1, $2, and $5 bill configurations. [1, 2, 3]Core Specifications & Features
- Voltage: 24 VAC / 34 VDC compatibility operating via a standard 6-pin Multi-Drop Bus (MDB) interface.
- Bezel Style: Compact "soda-style" bezel featuring high-visibility flashing green arrows to draw in customers.
- Bill Acceptance: Standard 4-way acceptance (face up or down, either direction) with a high-tolerance sensor mechanism that handles worn, wrinkled, or damp notes easily.
- Bill Box Capacity: Typically holds up to a 300-note stacked capacity.
- Flashport Technology: Allows the unit to be updated via a handheld programmer for future currency designs. [1, 2, 3, 4, 5]
Dip Switch ConfigurationThe unit features built-in option switches on the back to manually override the factory defaults. Standard switch settings include: [1, 2, 3]
- Switches 1–3: Configure alternative 1-way, 2-way, or 4-way bill orientation acceptance.
- Security Settings: Toggle between high-acceptance or high-security modes.
- Switches 7 & 8: Control pulse/serial settings (short, long, credit line, or serial interfaces) when not utilizing MDB. [1, 2]
Rear LED Diagnostic Flash CodesIf your unit is malfunctioning, you can diagnose issues using the status LED located on the back of the bill magazine assembly: [1]
- Steady On: Enabled and completely ready to operate.
- Off: No power reaching the unit.
- 1 Flash: Bill path obstruction or jam.
- 2 Flashes: Not enabled by the machine (often due to an out-of-order machine, open door switch, or low coin levels in the coin changer).
- 3 Flashes: Bill path sensors are dirty and need a gentle cleaning with a damp cloth.
- 4 Flashes: Blocked cross-channel sensor.
- 5 Flashes: The bill magazine/cash box has been removed.
- Continuous Fast Flash: The bill magazine is full and needs to be emptied.
- Continuous Slow Flash: Internal error; requires professional servicing
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