Caple Intermittent Temperature Control Fault

Freezer temperature fluctuates widely; sometimes too warm, sometimes too cold

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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

Loose connection at temperature sensor, Intermittent main PCB fault, Poor door seal causing variable load, Fan motor intermittently stopping

How to Fix / Troubleshooting

Safety: Unplug before accessing internal wiring or PCB.

Steps to stabilise temperature:

  • 1. Check door seal and usage: Ensure the door is not frequently left ajar and that the gasket seals well.
  • 2. Inspect sensor connections: Access the cabinet NTC sensor and verify that its connector is tight and wiring undamaged.
  • 3. Monitor fan operation: Confirm that the evaporator fan runs whenever the compressor is on and the door is closed. Replace the fan if it stops intermittently.
  • 4. PCB inspection: Look for dry joints or loose connectors on the main PCB. Reseat connectors.

Note: If fluctuations persist despite these checks, the PCB or sensor may need replacement.

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Repair Difficulty

Medium 3/5

Required Part

Cabinet NTC Temperature Sensor
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