Error Code
high
Merrychef e4s – Error 116: Heater Off On Request
On your eikon e4s unit, error code 116 "Heater Off On Request"…
Merrychef e4s - Error E117: Magnetron Overheat Thermostat Triggered
Critical / Stop Operation
Warning: The information provided here is for educational purposes only.
Working with commercial kitchen equipment involves high voltage, gas, and high temperatures.
We strongly recommend contacting a certified service technician for any repairs.
We are not responsible for any damage or injuries resulting from DIY repair attempts.
This information is provided 'as is' without any guarantees of completeness or accuracy.
TLDR
On your eikon e4s unit, error E117 indicates the magnetron overheat thermostat has tripped due to excessive temperature, preventing microwave operation. This critical safety measure is usually triggered by blocked air filters, insufficient ventilation, or a failing magnetron. The unit will remain in an error state until the magnetron cools down and the thermostat resets, but the underlying cause must be addressed.
Technical Details
Repair Steps:
- Safety First: Immediately power off the MERRYCHEF eikon e4s unit and disconnect it from the electrical supply. Allow the oven to cool down completely for at least 30 minutes to an hour.
- Inspect and Clean Air Filters: Carefully remove and inspect the air filters, typically located on the side or rear of the unit. Clean any visible dust, grease, or debris thoroughly. If filters are heavily soiled or damaged, replace them with genuine MERRYCHEF replacement filters.
- Check Ventilation and Placement: Ensure the oven has adequate clearance around all ventilation openings as specified in the installation manual. Verify that the unit is not positioned directly next to other heat-generating equipment (e.g., fryers, griddles) or in an area with high ambient temperatures. Improve room ventilation if necessary.
- Allow Thermostat to Auto-Reset: The magnetron overheat thermostat is generally an auto-reset type. Once the magnetron has cooled sufficiently and the airflow issues are resolved, the thermostat should reset itself. Reconnect power and attempt to run the microwave function.
- Test Magnetron Overheat Thermostat: If the error persists after cooling and cleaning, a qualified technician should test the magnetron overheat thermostat for continuity using a multimeter. When cold, it should show continuity (closed circuit). If it shows an open circuit, the thermostat is faulty and needs replacement.
- Professional Magnetron Diagnosis: If the thermostat is functioning correctly, the issue may lie with the magnetron itself, which could be drawing excessive current and generating too much heat. This requires advanced diagnostic tools and should only be performed by a certified MERRYCHEF technician.
- Reset Error (If Applicable): Some errors may require a manual reset through the service menu, but for critical overheat conditions, addressing the physical cause is paramount before attempting a reset. Refer to the eikon e4s service manual for specific reset procedures.
Common Questions:
Q: What triggers the E117 error on a MERRYCHEF eikon e4s?
A: The E117 error is caused by the magnetron’s overheat thermostat activating due to excessive temperatures. Common culprits include blocked air filters, inadequate ventilation around the oven, high ambient room temperatures, or a failing magnetron component itself.
Q: Can I clear the E117 error myself without a technician?
A: The error will typically clear automatically once the magnetron has cooled down and the overheat thermostat resets. You can resolve common causes like blocked air filters and poor ventilation yourself. However, if the issue stems from a faulty thermostat or magnetron, professional technician intervention is required.
Q: How can I prevent the E117 error from recurring on my Merrychef eikon e4s?
A: Regular preventative maintenance is key. Ensure you clean or replace the air filters routinely, verify that the oven has proper clearance for airflow on all sides, and avoid placing the unit directly next to other high-heat appliances. Operating the oven within its specified ambient temperature range also helps.
When to call a technician
For this error, we recommend calling a certified technician. Do not continue operation or attempt repair yourself.
- Equipment shows a critical or stop-operation fault.
- You smell gas, burning, or see smoke or sparks.
- Error returns after following the steps above.
- You are not trained to work on this equipment.
- Warranty or safety could be affected by DIY repair.