Stuart SC130–SC2000 (2nd gen board)
Same display and fault numbers as later boards, but the diagnostic display is opened with the FILL and CLEAN buttons.
What it is: Cube ice machine. Earlier machines with the 2nd generation logic board (manual version 9).
Key combo: In normal ice making: hold FILL + CLEAN until 0 shows, step with DEFROST, press RESET to read.
Stuart SC130–SC2000 (2nd gen board) error codes
| Code | Meaning | Likely cause | How to reset |
|---|---|---|---|
| 3 | Did not fill with water in time (3 minutes) | Water supply off or restricted, solenoid, float, filter | Retries every hour until water returns. Press RESET to retry. |
| 4 | Did not make ice in time (40 minutes) | Refrigerant loss, fan, dirty condenser, hot gas solenoid | Press RESET, or switch off and on. |
| 5 | Did not defrost in time (7 minutes) | Hot gas solenoid, dirty plate, curtain switch | Press RESET, or switch off and on. |
| 8 | Service due after 3000 ice making hours | Clean reminder | Run a clean cycle. |
How to open the diagnostic display
- Make sure the machine is in normal ice making.
- Hold FILL and CLEAN together.
- When 0 shows, release both.
- Press DEFROST to choose: 0 last five faults, 1 hours since last service, 2 clean cycles, 3 harvest cycles.
- Press and release RESET to show the value. Press RESET again to cancel.
Notes
- Each function gets two attempts before the machine stops and shows the fault number.
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: Stuart SC cube icemaker manual (V9). Always check the manual for your exact model and software version.
ServiceModes is not affiliated with Stuart or any other manufacturer. Written in our own words from the manufacturer's documentation.