E1
Fisher & Paykel
Upper Zone Temperature Sensor Fault (Dual-Zone Models)
Wine cooler displays E1 and temperature reading is erratic or dashes; unit may overcool or undercool.
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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.
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Possible Causes
Failed upper compartment thermistor, loose sensor connector, damaged harness between upper zone and PCB, control board sensor input failure
How to Fix / Troubleshooting
Safety: Disconnect power before accessing internal panels.
Steps to address E1:
- Identify upper zone sensor: In dual-zone Fisher & Paykel wine coolers, the upper zone sensor is usually behind a small cover on the rear or side wall of the upper compartment.
- Remove cover and inspect: Take out shelves, remove the sensor cover, and verify the sensor is properly seated and not damaged. Check the harness for pinching or cuts.
- Test sensor: With the sensor unplugged and power off, measure resistance and compare to the temperature chart. Replace if open, shorted, or out of range.
- Check connection at PCB: Trace the harness to the main control board and ensure the connector is secure. Repair any damaged wiring.
- Replace sensor or PCB: If wiring is intact and a new sensor does not clear E1, the main control board may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Upper Zone Temperature Sensor
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