Diagnosis
The E1 error code on the Aglucky HZB-12B indicates a malfunction with the evaporator temperature sensor. This occurs when the control board detects an abnormal temperature reading—either because the unit is overheating due to poor airflow or because the sensor itself is failing to report the correct temperature to the system, triggering a safety shutdown to prevent compressor damage.
How to Fix It
Most E1 errors are caused by environmental heat buildup rather than hardware failure. Follow these steps to resolve the issue:
- Power Cycle: Unplug the unit from the wall for at least 10 minutes to clear the error memory and allow the refrigerant to stabilize.
- Optimize Airflow: Ensure there are at least 4 to 6 inches of open space on all sides and the rear of the machine. Do not place the unit inside a cabinet or directly against a wall.
- Clear the Vents: Check the intake and exhaust vents for dust buildup or obstructions. Use a vacuum or compressed air to clear any debris.
- Check Water Levels: Ensure the reservoir is filled with fresh, cold water. Using lukewarm water increases the load on the cooling system and can trigger temperature alerts.
If That Didn't Work
If the error persists after improving ventilation, the issue is likely internal:
- Sensor Calibration: If the unit is brand new, the sensor may be defective. Contact the manufacturer for a replacement.
- Wiring Inspection: For advanced users, remove the rear panel to ensure the sensor wires are securely connected to the main PCB and have not been pinched or frayed.
- Hard Reset: Try running the unit in a cooler room (below 75°F) to see if the error clears; if it does, the unit is simply struggling with your current ambient temperature.
Heads Up
Avoid placing the ice maker on a countertop next to heat-generating appliances like dishwashers, ovens, or toasters. High ambient temperatures force the compressor to work harder, which will lead to frequent E1 shutdowns and shorten the lifespan of the device.