H2
Klarstein Overheat Protection / Thermal Fuse Triggered

H2 error appears and cooker stops; often during sauté or fry modes.

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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

Blocked ventilation openings, Fan failure on models with internal cooling fan, Thermal fuse partially failing, Excessive buildup of grease on heating plate

How to Fix / Troubleshooting

Safety: Unplug the cooker and allow it to cool completely. Do not cover ventilation openings during use.

Step 1 – Clean and inspect:

  • Clean the heating plate and surrounding area of any grease or burnt food.
  • Check the bottom and side ventilation slots for dust or obstructions; clean with a soft brush.

Step 2 – Check cooling fan (if equipped):

  • Some Klarstein multicookers have an internal cooling fan near the control board.
  • With the unit unplugged, spin the fan blades gently to ensure they move freely.
  • If the fan is seized or noisy, it should be replaced.

Step 3 – Thermal fuse:

  • Locate the thermal cutoff fuse attached to the heating plate or wiring.
  • Test for continuity; if open, replace with the same temperature and current rating.
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Repair Difficulty

Hard 4/5

Required Part

Thermal Cutoff Fuse
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