ER dS
Café
Defrost Sensor Error
ER dS or defrost sensor error on some Café refrigerators; excessive frost may form on the evaporator.
Advertisements
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Advertisements
Possible Causes
Defrost sensor (thermistor) open or shorted, Loose sensor connection, Damaged sensor wiring, Control board misinterpretation of sensor signal
How to Fix / Troubleshooting
Safety first: Unplug the refrigerator before accessing the evaporator and sensor wiring.
- 1. Access defrost sensor: Remove the freezer rear panel to locate the defrost sensor clipped to the evaporator tubing.
- 2. Inspect mounting: Ensure the sensor is firmly attached to the tubing and not hanging loose.
- 3. Check wiring and connector: Look for broken wires or corroded connectors. Reseat the connector.
- 4. Test sensor: Measure resistance at a known temperature and compare to Café/GE specifications. Replace if out of range.
- 5. Clear frost: Manually defrost the evaporator to restore airflow while waiting for parts or service.
Advertisements
Repair Difficulty
Hard
4/5
Required Part
Defrost Thermistor
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements