Sub Zero Refrigerator Error 10-1-02

⚡ Quick Answer: The Sub Zero Refrigerator error 10-1-02 signals an instability in the refrigerator cabinet thermistor, leading to fluctuating temperature readings and... ✅ DIY Fixable

What Does Error 10-1-02 Mean?

The Sub Zero Refrigerator error 10-1-02 signals an instability in the refrigerator cabinet thermistor, leading to fluctuating temperature readings and potential cooling issues. This error may manifest as an illuminated SERVICE light, inconsistent cooling, or unexpected warm and cool cycles. If unresolved, it can compromise food safety.

Common Symptoms:

  • SERVICE light or error displayed on control panel
  • Inconsistent temperature control in refrigerator compartment
  • Possible intermittent warm/cool cycles or incorrect temp readings

Possible Causes

  • Refrigerator cabinet thermistor instability or fault (high)

How to Fix Error 10-1-02

DIY Fix Reset power and monitor

  1. Turn the home circuit breaker or unplug refrigerator for at least 30 seconds.
  2. Restore power and allow unit to operate without opening doors.
  3. Observe if error returns and monitor temperature stability.

Technician Only Inspect and test thermistor and connections

  1. Enter diagnostic mode and verify the 10‑1‑02 error persists.
  2. Measure resistance of the refrigerator cabinet thermistor to confirm instability or out‑of‑range values.
  3. Inspect thermistor wiring harness and connector for damage or poor contact.
  4. Replace thermistor or repair wiring if confirmed faulty, then test unit operation.

Parts needed: Refrigerator cabinet thermistor sensor, Connector/wiring harness

🛑 When to Call a Pro:
  • Error persists after reset and simple checks
  • Refrigerator temperatures remain unstable or food safety is compromised

Technical Specifications

wattage 15W
component Evaporator Fan Motor
resistance 10-30 ohms
part_number Sub Zero 7001120
voltage_rating 120V AC

Common Questions

What does 10-1-02 error mean on Sub Zero Refrigerator?

It indicates an unstable refrigerator compartment thermistor, causing inconsistent temperature control.

Can I fix Sub Zero Refrigerator 10-1-02 error myself?

Yes, you can reset the power and monitor the refrigerator for stability.

How much does it cost to fix 10-1-02 error?

$50–$200 for parts and technician bench time.

When should I call a technician for 10-1-02?

Call if the error persists after a reset or if temperatures remain unstable.

Sources & References

Data last verified: 2026-04-23

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