The serializer and the ERP, finally in sync

The problem

The key to the whole cooler's traceability is typed twice.

The serial number the serializer engraves on each finished unit is the key linking that unit to every component lot it contains. The serializer usually already has an API or protocol of its own, but there's never time to integrate it well with the ERP. Someone types the same serial number into both systems, risking a mismatch exactly where it matters most.

• The serial number engraved on each finished cooler is the key that links the unit to every component lot inside it: compressor, control board, foam, sheet metal.
• The serializer usually already has an API or a protocol of its own. There is just never time to integrate it properly with the ERP. IT has other priorities, and the serializer vendor quotes an integration project that never gets budget.
• So someone types the same serial number into both systems, by hand, at line speed.
• A single mismatch breaks the chain exactly where it matters most: the unit exists physically with one number and in the ERP with another. And the mismatch is usually discovered when it hurts: during a field claim or a supplier lot lookup.

How it fits the IRIS system

Connect stitches serializer and ERP — what is engraved is what is recorded.

iLEAN Connect stitches the serializer and the ERP together via API: what the serializer physically engraves on the unit is reflected in the ERP record at the same instant, without replacing either system.

Neither system is replaced and neither vendor has to change anything. Connect sits between the two and makes sure that the number physically marked on the cabinet appears in the ERP at the same instant. It is the smallest case in scope and one of the most important in effect, because every other link in the chain hangs from this number.

See the full IRIS architecture →

Before and after

The serial number typed twice versus the serial number synced

Aspect	Today	With iLEAN Connect
Serial number entry	Typed in two systems	Once, by the serializer
Mismatch risk	On every unit	Removed
Unit ↔ component lots	Broken by a typo	Kept intact
When the ERP knows the unit	Whenever someone types it	The moment it is engraved
Serializer software	—	Untouched
ERP	—	Untouched

Double entry with mismatch risk → automatic sync with no manual work.

Impact estimate

Impact estimate — to be validated with your numbers.

The block below is an estimate to be validated against your plant's actual data. We put it forward so the committee has an order of magnitude; we refine it during the assessment.

• Estimated payback 3-6 months, by removing the costliest break point in traceability.
• Double entry with mismatch risk becomes automatic sync with no manual work. Duplicate or missing serial numbers in the ERP stop appearing at shipping.
• The person who typed serial numbers twice moves to work that adds value on the line. Nobody has to reconcile two lists of serial numbers at month end.
• And every later traceability query — by compressor lot, by destination country — rests on a serial number that is guaranteed to be the same in the plant and in the ERP.

Estimated payback of 3-6 months by removing the costliest break point in traceability. Estimate to validate.

And the fair question from the production manager

“If the serializer already has an API, why not just integrate it ourselves?” — you can, and many plants plan to; the issue is that it never gets prioritized. Connect does it without a project on either side. And matching serializer events to ERP records is an anchored task, where the best models drop below 1.5% error [1]; anything that does not match one-to-one is held for a person to resolve, not pushed.

^[1] OpenAI paper "Why Language Models Hallucinate", 2025 — on the reliability of AI in anchored tasks.