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Error code reference
Bosch Refrigerator Error Code 2-3-1
Ice maker
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What the 2-3-1 error code actually means
Your Bosch refrigerator is reporting that the ice maker has detected an internal problem it cannot fix on its own. This typically means a component inside the ice maker unit has failed. The most straightforward repair is replacing the entire ice maker assembly.
Diagnostic procedure
The full 2-3-1 procedure
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1
First diagnostic step
Replace the icemaker.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of 2-3-1
Ranked by how often they cause this code
- 1Failed ice maker assembly
- 2Faulty ice maker wiring harness or connector
- 3Ice maker thermostat failure
- 4Ice maker harvest motor failure
- 5Ice buildup or mechanical obstruction
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Questions people ask about 2-3-1
What does 2-3-1 mean on a Bosch refrigerator?
Error code 2-3-1 on a Bosch refrigerator indicates an internal ice maker fault. This means the refrigerator's control system has detected a failure originating inside the ice maker assembly itself. The fault can involve the ice maker's motor, thermostat, or internal circuitry. Bosch's diagnostic guidance calls for replacing the ice maker as the primary repair step.
Is error code 2-3-1 on a Bosch refrigerator a safety concern?
Error code 2-3-1 is not a safety hazard. The fault is limited to the ice maker system and does not affect the refrigerator's cooling performance or food safety. Your refrigerator will continue to keep food at proper temperatures even while this fault is active. The only functional impact is that ice production will be disrupted or stopped.
Will resetting my Bosch refrigerator clear the 2-3-1 error code?
A power reset may temporarily clear the error code from the display, but the fault will return if the underlying ice maker problem is not resolved. Because the code indicates an internal hardware failure within the ice maker module, resetting alone will not fix the root cause. A permanent resolution requires inspecting the wiring connections and, in most cases, replacing the ice maker assembly.
Can I fix the 2-3-1 error on my Bosch refrigerator myself?
A knowledgeable DIYer can address this error by first checking the ice maker wiring harness and connector for damage or loose connections. If the connections are intact, the repair requires replacing the ice maker assembly, which involves disconnecting the unit from its harness and mounting bracket. If you are not comfortable working with refrigerator components, a licensed appliance technician should perform the replacement.
How much does it cost to repair a Bosch refrigerator with error code 2-3-1?
Repair costs depend on whether you replace the ice maker yourself or hire a technician. A replacement ice maker assembly for a Bosch refrigerator typically costs between $80 and $250 for the part alone. If you hire a technician, labor charges generally add $100 to $200 depending on your location. Total professional repair costs commonly fall in the range of $180 to $450.
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