mypros+
Error code reference

Sub-Zero Refrigerator Error Code 30 8 10

Ice maker open circuit.

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the 30 8 10 error code actually means

This error code means your refrigerator has detected a broken electrical connection to the ice maker, so the ice maker is not receiving power or a signal. It is similar to a burned-out lightbulb, where the circuit is incomplete and the component cannot function. Your refrigerator will stop making ice until the connection is restored or the faulty part is replaced.

Diagnostic procedure

The full 30 8 10 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check power and wiring to ice maker.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 30 8 10 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of 30 8 10

Ranked by how often they cause this code
  1. 1Disconnected or loose wiring connector
  2. 2Broken wiring harness
  3. 3Failed ice maker module
  4. 4Corroded or damaged connector terminals
  5. 5Control board output failure

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about 30 8 10

What does 30 8 10 mean on a Sub-Zero refrigerator?
Error code 30 8 10 indicates that the refrigerator's control system has detected an open circuit in the ice maker. This means the electrical path to the ice maker is broken and current cannot flow through it. The fault could be in the wiring, a connector, or the ice maker module itself. The ice maker will not produce ice while this fault is active.
Is it safe to use my refrigerator while error code 30 8 10 is displayed?
An open circuit in the ice maker does not affect the refrigerator or freezer cooling systems, so food safety is not a concern. The refrigerator will continue to maintain temperature normally. The only loss of function is ice production. You can continue using the refrigerator while scheduling a repair.
How much does it cost to repair error code 30 8 10 on a Sub-Zero refrigerator?
Repair costs depend on the cause. If the fix is simply reseating a connector, a service call fee is the primary expense, typically in the range of $100 to $200. If the wiring harness needs replacement, parts and labor combined could range from $150 to $400. Replacing the ice maker module on a Sub-Zero is typically the most expensive scenario, with total costs potentially ranging from $300 to $700 or more depending on the specific model and labor rates in your area.
Can I fix error code 30 8 10 myself?
Some causes of this error are approachable for a knowledgeable DIYer. Checking and reseating wiring connectors is a straightforward first step that requires no special tools. However, testing for continuity through the harness and ice maker components requires a multimeter and some familiarity with electrical diagnostics. If the ice maker module itself has failed, replacing it involves working inside the freezer compartment and handling electrical connections, which many homeowners prefer to leave to a technician.
Will resetting the refrigerator clear error code 30 8 10?
A reset may temporarily clear the error code from the display, but if the underlying open circuit condition remains, the code will return once the control board runs its diagnostics again. A reset alone does not fix broken wiring, a failed connector, or a faulty ice maker module. The root cause must be identified and corrected for the code to stay clear.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass