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Error Code Reference

KitchenAid Refrigerator Error Code Er IS

This error code indicates an ice maker or ice storage system malfunction on your KitchenAid refrigerator. The Er IS error suggests the refrigerator has detected a problem with ice production, ice ejection, or ice bin sensors.

Technical Advisory
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Signs

What you may observe

• Ice maker is not producing ice cubes • Error code Er IS displays on the refrigerator's control panel • Ice dispenser is not working or dispensing slowly • Ice bin appears full but ice is not being ejected • Water leaking from ice maker area • Unusual sounds coming from the ice maker compartment • Ice cubes are smaller than normal or misshapen • The refrigerator continues to run but ice production has stopped

Possible Causes

Root causes behind this error

• Ice maker inlet valve is frozen, clogged, or defective • Water line to the ice maker is kinked, blocked, or disconnected • Ice bin sensor is malfunctioning and not detecting ice levels • Ice maker motor or auger is jammed or not functioning • Freezer temperature is too warm for proper ice formation (above 0°F) • Frost accumulation blocking the ice maker mechanism • Faulty control board managing ice maker operation • Water pressure to the ice maker is insufficient (less than 20 PSI) • Ice maker solenoid valve is stuck or defective

Safety Checks You Can Do

Steps you can try at home safely

• Verify the circuit breaker for your refrigerator has not tripped; check your home's electrical panel and reset if necessary • Confirm both the refrigerator and freezer doors are closing completely and sealing properly • Check that the freezer temperature is set to 0°F or below for optimal ice production • Inspect the water line connection at the back of the refrigerator to ensure it is not kinked, pinched, or disconnected • Look for any visible frost or ice blockage around the ice maker inlet and clear gently if accessible • Check that air vents inside the freezer compartment are not blocked by food items or packaging • Clean the condenser coils located at the bottom or back of the refrigerator (unplug first) using a soft brush to improve cooling efficiency • Ensure there is adequate clearance (at least 1 inch on each side and 2 inches at the back) around your refrigerator for proper airflow • Unplug the refrigerator from the wall outlet or turn off the circuit breaker for 60 seconds, then restore power to reset the appliance control board • If the error persists after these steps, contact a certified KitchenAid service technician for professional diagnosis and repair
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