ERR1
GE Appliances
Temperature Sensor Open Circuit
Display shows “ERR1” and the coffee maker will not start brewing.
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
Disconnected thermistor harness, Broken thermistor lead, Failed thermistor, Damaged connector on control board
How to Fix / Troubleshooting
Safety first: Unplug the coffee maker and allow it to cool completely before opening the base or back panel.
- 1. Access the heater area: Remove screws on the bottom or rear of the unit to access the heating element and wiring harness.
- 2. Locate the thermistor: Find the small sensor clipped or strapped to the heater tube or boiler block. It will have two small wires leading to the control board.
- 3. Check connections: Ensure the thermistor plug is fully seated on the control board and that the wires are not pinched or broken. Reseat the connector.
- 4. Test continuity (advanced): Use a multimeter to measure resistance across the thermistor. An open circuit (infinite resistance) indicates a failed sensor that must be replaced.
- 5. Replace thermistor if defective: Order the correct GE thermistor for your model. Remove the old sensor, install the new one in the same position, and reconnect the harness.
Advertisements
Repair Difficulty
Hard
4/5
Required Part
Thermistor / Temperature Sensor
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements