IceKing ice maker shows E5; ice production stops and unit may beep repeatedly.

Safety first: Disconnect power before accessing internal panels or wiring.

Step-by-step checks:

• 1. Locate the evaporator area: The evaporator is typically behind an interior panel where ice forms. Remove the bin and inner cover as needed.
• 2. Find the thermistor: Look for a small sensor clipped to the evaporator tubing or mounted nearby with two wires leading back to the control board.
• 3. Inspect wiring: Check the thermistor leads for cuts, pinches, or corrosion at connectors. Ensure the plug at the main control PCB is fully seated.
• 4. Check sensor placement: Make sure the thermistor is firmly attached to the evaporator surface or in its designated holder. A loose sensor can read incorrectly.
• 5. Dry moisture: If there is heavy frost or condensation around the sensor, defrost the unit by unplugging it and leaving the door open for several hours. Dry the area and reassemble.
• 6. Replace thermistor if needed: If E5 returns after defrosting and checking connections, replace the evaporator thermistor with an IceKing-compatible part.

When to call a technician: If you do not have access to resistance measurements or are unsure which sensor to replace, a technician can test the thermistor and confirm the fault.