E5
Montpellier Overheat Safety Thermostat Open

E5 error on display, oven will not heat or cuts out shortly after starting.

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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

Tripped thermal cut-out on oven top, Poor ventilation around oven, Failed non-resettable safety thermostat, Loose connection on thermostat terminals

How to Fix / Troubleshooting

Safety first: Isolate the oven from the mains. Surfaces may still be hot; allow to cool.

Steps to check:

  • Ventilation and usage: Confirm that the oven is not installed too tightly and that vents are clear. Avoid covering vents with foil or accessories.
  • Access thermostat: Remove the top panel of the oven to locate the overheat thermostat mounted on the oven cavity.
  • Reset if applicable: Some thermostats have a small reset button. Press firmly until you feel a click. Reassemble and test.
  • Continuity test: If there is no reset or it will not reset, test the thermostat with a multimeter. An open circuit indicates it has failed.
  • Check wiring: Inspect the connectors for heat damage or looseness. Clean and tighten as needed.
  • Replace thermostat: Install a new Montpellier-compatible overheat thermostat if the original is open or damaged.
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Repair Difficulty

Medium 3/5

Required Part

Oven Overheat Thermostat / Thermal Cut-Out
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