Ice-O-Matic UCG Gourmet undercounter (UCG060–UCG130)
Self-contained gourmet (top-hat) cube maker. A single PC board shows faults with a green power LED, yellow bin-full and freeze LEDs and a red alarm LED, plus a red warning light on the front.
What it is: Undercounter gourmet cuber
Key combo: Push button: 2–5 s during water fill = cleaning mode; over 5 s skips the fill or flips between freeze and harvest.
Ice-O-Matic UCG Gourmet undercounter (UCG060–UCG130) error codes
| Lights | Meaning | Likely cause | What to do |
|---|---|---|---|
| Red alarm LED steady | Condenser too hot (about 70 °C / 160 °F) | Dirty condenser, fan motor fault, or room above about 40 °C | Fix the cause, then switch off and on. It restarts with the 5-minute water fill. |
| Red alarm LED flashing | Evaporator still above 0 °C after 15 minutes of freeze | Short of refrigerant, hot gas valve stuck open, etc. | Find the refrigeration fault, then restart. |
| Yellow freeze + red alarm steady | Condenser sensor fault | Sensor open or shorted | Check or replace the condenser sensor. |
| Yellow freeze + red alarm flashing | Evaporator sensor fault | Sensor open or shorted | Check or replace the evaporator sensor. |
| Yellow bin LED steady | Bin full, unit stopped | Normal | Restarts when ice is used. |
| Yellow bin LED flashing | Cleaning mode, or stopped after a test run | Cleaning in progress or TEST jumper fitted | Finish cleaning / remove the TEST jumper. |
| Green LED flashing | 60-minute start-up delay running | Delay jumper set | Press the button to skip the delay. |
| All LEDs flashing | Unit stopped after the 3-minute test | TEST jumper fitted | Remove the jumper and restart. |
How to enter service / parameter mode
- Test mode: fit the TEST jumper on the PC board and switch on. Every load runs for up to 3 minutes, then the unit stops with all LEDs flashing.
- Cleaning mode: during the water fill, hold the button 2–5 s.
Other useful key presses
| Task | How |
|---|---|
| Force harvest | Hold the button over 5 s during freeze. |
| Force freeze | Hold the button over 5 s during harvest or water fill. |
| Skip start delay | Press the button during the 60-minute delay. |
Notes
- The board has four jumpers: cleaning reminder (0 or 12 months), purge pump, 60-minute start delay, and TEST.
- DIP switches 1–4 set the timed part of the freeze cycle; match them to the table in the manual for your model and condenser.
For licensed technicians only. This equipment can involve mains voltage, high-voltage microwave circuits, gas and refrigerant. Isolate power (and gas) before opening panels, follow the manufacturer's manual and your local licensing rules (for example ARC refrigerant handling and electrical or gas licences). Wrong settings can spoil food or damage equipment. Check every value on the unit in front of you before changing it.
Based on: Ice-O-Matic UCG Gourmet series undercounter service manual. Always check the manual for your exact model and software version.
ServiceModes is not affiliated with Ice-O-Matic or any other manufacturer. Written in our own words from the manufacturer's documentation.