This document is a maintenance manual for Bunn-O-Matic Corporation's IMIX® and IMIX®-S+ coffee machines.
This manual provides Bunn service technicians with all the information needed to maintain, troubleshoot, and repair the IMIX and IMIX‑S+ beverage dispensers. It includes warranty terms, safety notices, site‑preparation guidelines, preventive‑maintenance schedules, cleaning procedures, and detailed troubleshooting steps.
The document also contains extensive electrical schematics, I/O charts, and part numbers for components such as mixing chambers, whipper chambers, auger motors, and temperature sensors, enabling accurate diagnosis and replacement of faulty parts.
| Parts warranty period | 2 years |
|---|---|
| Electronic board warranty period | 3 years |
| Compressor warranty period | 5 years parts, 1 year labor |
| Maximum water pressure | 90 psi (≈620 kPa) |
| Target water temperature | 185–190 °F |
All equipment is covered by a two‑year parts warranty, except for electronic boards and compressors which have longer terms.
The tank temperature should be set so the water measures between 185 °F and 190 °F.
Enter SETUP mode on the dispenser to clear the fault after the repair is completed.