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How to fix a sub-zero refrigerator that is displaying error codes?

To fix a Sub-Zero refrigerator displaying error codes, follow these steps:
1. Refer to the owner's manual: Look up the error code in the refrigerator's manual to understand its meaning and possible solutions.
2. Power cycle the refrigerator: Turn off the refrigerator for a few minutes, then turn it back on. Sometimes, this can reset the system and clear minor errors.
3. Check for loose connections: Ensure all electrical connections are secure, including power cords and control board connectors.
4. Contact Sub-Zero support: If the error persists or you are unsure how to proceed, contact Sub-Zero customer support or schedule a service appointment with a certified technician to diagnose and repair the issue accurately.
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