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Error code reference

Daewoo Refrigerator Error Code E9

Water supply error

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What the E9 error code actually means

Your Daewoo refrigerator is showing E9 because it expected water to flow into the ice maker or dispenser system but the internal temperature sensor did not detect enough of a change to confirm that water actually arrived. This usually means there is a problem with the water line, the valve that controls water flow, or the sensor itself. The refrigerator will continue running normally, but ice making or water dispensing may not work properly until the issue is resolved.

Diagnostic procedure

The full E9 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check water supply line and valve; normal control continues.
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Most common causes of E9

Ranked by how often they cause this code
  1. 1Kinked or frozen water supply line
  2. 2Faulty or stuck water inlet valve
  3. 3Low household water pressure
  4. 4Defective or disconnected I-sensor
  5. 5Control board communication fault

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Questions people ask about E9

What does E9 mean on a Daewoo refrigerator?
E9 indicates a water supply error. The refrigerator's I-sensor did not detect a sufficient temperature rise within 5 minutes of a water supply event, meaning the control board cannot confirm that water entered the system properly. The refrigerator continues normal operation while displaying this fault, but ice making or water dispensing is likely affected.
Will resetting my Daewoo refrigerator clear the E9 error code?
A reset may temporarily clear the E9 code from the display, but the fault will return if the underlying issue is not resolved. Because the refrigerator continues normal control after logging E9, the code will reappear as soon as the next water supply cycle fails to satisfy the sensor's threshold.
How much does it cost to repair a Daewoo refrigerator E9 error?
Repair costs depend on the root cause. If the fix involves clearing a kinked line or adjusting water pressure, there may be no parts cost at all. Replacing a water inlet valve typically costs between $30 and $80 for the part, while an I-sensor replacement is generally in the $20 to $60 range. Professional labor charges for diagnosis and repair can add $80 to $150 or more depending on your location.
How do I fix an E9 error on a Daewoo refrigerator?
Start by checking the water supply line for kinks, freezing, or blockages and confirm the shutoff valve is fully open. Next, inspect the water inlet valve for debris in the screen or solenoid failure. If the supply path appears clear and functional, the I-sensor and its wiring harness should be inspected for faults.
Is the E9 error on a Daewoo refrigerator a safety concern?
The E9 error is not a safety hazard in the sense that the refrigerator keeps running and does not pose a risk of fire or immediate food spoilage. However, if the water inlet valve is stuck open rather than stuck closed, there is a risk of water leaking into or around the appliance, which should be addressed promptly by shutting off the water supply line.

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