C1
PowerXL
Temperature Calibration Error
C1 or similar calibration code appears and cooker may not heat correctly.
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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
Sensor reading out of calibration range, Firmware detecting abnormal temperature curve, Control board reference drift, Incorrect replacement sensor installed
How to Fix / Troubleshooting
Safety first: Unplug the cooker before inspection.
- 1. Factory reset (if available): Consult the PowerXL manual for any reset or calibration procedure (e.g., holding specific buttons). Perform the reset and test with water.
- 2. Verify correct sensor part: If a sensor was recently replaced, confirm that the correct PowerXL part number was used. Incorrect NTC values can trigger calibration errors.
- 3. Inspect sensor wiring: Check for partial breaks or poor connections that could cause intermittent readings.
- 4. Replace sensor: If wiring is good, replace the bottom temperature sensor and retest.
- 5. Control board replacement: Persistent C1 after sensor replacement suggests a control board calibration fault; replace the main control board.
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Repair Difficulty
Hard
4/5
Required Part
Bottom Temperature Sensor / Main Control Board
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