Cookshack Overheating due to control or sensor error

Smoker overshoots set temperature and runs hotter than programmed

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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

Sticking relay on IQ controller, Miscalibrated or damaged cabinet temperature probe, Poor airflow around probe, High-limit thermostat stuck closed

How to Fix / Troubleshooting

Safety first: If the smoker is excessively hot, turn it OFF and unplug it. Allow it to cool before working on it.

Steps:

  • 1. Confirm overshoot: Use an oven thermometer to verify that the actual temperature is significantly higher than the setpoint.
  • 2. Clean and inspect probe: Remove grease and carbon from the cabinet probe. Ensure it is not touching metal surfaces or the heating element.
  • 3. Observe element cycling: With the smoker running, watch whether the element cycles OFF when the set temperature is reached. If it stays ON continuously, the relay or triac on the controller may be stuck and the controller should be replaced.
  • 4. Check high-limit thermostat: If your model has a manual-reset high-limit, verify it has not been bypassed. Replace if defective.
  • 5. Replace probe: If the probe reads significantly lower than actual temperature, replace it with a Cookshack OEM probe.
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Repair Difficulty

Hard 4/5

Required Part

IQ controller relay board
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