SubZero Refrigerator Freezer Error Code 30 – How to fix? by KatyApplianceRepair.com
Sub-Zero error code EC 30 indicates
an icemaker fault. Below is a quick reference
and troubleshooting guide for this code.
Quick Reference
| Error Code | Meaning | Severity |
|---|---|---|
| EC 30 | Icemaker not working — water valve or mechanical jam detected | Low |
Cause & Solution
| Cause | What to Check | Fix |
|---|---|---|
| Ice jam in the icemaker mechanism | Open the icemaker compartment; look for stuck ice | Remove jammed ice; power cycle the unit to reset |
| Water valve energized too long | Listen for the water valve clicking; check water supply line | If the valve stays open over 15 seconds the system disables — cycle power to reset |
Need help with EC 30?
Call (281) 688-6685 —
Katy Appliance Repair: same-day Sub-Zero diagnostics in Katy, TX.