Sub Zero Refrigerator Error 30

⚡ Quick Answer: The Sub Zero Refrigerator error 30 indicates a malfunction in the ice maker's water valve solenoid, which may lead to excessive activation and unusual... ✅ DIY Fixable

What Does Error 30 Mean?

The Sub Zero Refrigerator error 30 indicates a malfunction in the ice maker's water valve solenoid, which may lead to excessive activation and unusual noises. This can cause insufficient cooling and halt ice production if the valve remains energized beyond its expected run time. Inspect for any ice jams or obstructions that could be causing the issue.

Common Symptoms:

  • Error code 30 shows on display often during diagnostic mode
  • Possible ice maker stops working or fails to cycle correctly
  • Ice production halts and/or water valve runs unusually long

Possible Causes

  • Excessive ice maker water valve activation due to jammed ice or obstruction (high)

How to Fix Error 30

DIY Fix Check for ice maker jam or obstruction

  1. Open the ice maker compartment and inspect for blocked or jammed ice cubes.
  2. Remove any ice blockages or debris preventing proper operation of the ice maker.
  3. Cycle the ice maker to see if the error clears.

Technician Only Diagnose electrical and valve components of ice maker

  1. Verify continuity and electrical connections of the ice maker water valve solenoid.
  2. Test the water valve activation timing against manufacturer specifications.
  3. Replace faulty water valve solenoid or control board elements if needed.

Parts needed: Ice maker water valve solenoid, Associated wiring/connectors, Ice maker control module (if applicable)

🛑 When to Call a Pro:
  • If the error code persists after clearing ice obstructions
  • If the ice maker water valve continues to run excessively long
  • If there are electrical or wiring faults detected

Technical Specifications

wattage 20W
component Evaporator Fan Motor
resistance 50-100 ohms
part_number Sub Zero 7001000
voltage_rating 115V AC

Common Questions

What does 30 error mean on Sub Zero Refrigerator?

Error 30 indicates an issue with the ice maker's water valve solenoid, often due to excessive activation.

Can I fix Sub Zero Refrigerator 30 error myself?

Yes, check for ice jams or obstructions in the ice maker and clear them to resolve the issue.

How much does it cost to fix 30 error?

Repair costs for error 30 are estimated to be medium.

When should I call a technician for 30?

Call a technician if the error persists after clearing obstructions or if there are electrical faults.

Sources & References

Data last verified: 2026-04-23

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