Merrychef e4s - Error 113: Magnetron On Without Request

🛑 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 Code 113 indicates the magnetron is receiving power and operating even when not commanded. This is a critical safety issue, as it implies unintended microwave emission or continuous power draw. Immediate investigation of the magnetron's power control circuit and related safety interlocks is required to prevent hazards and potential equipment damage.

Can't fix it yourself?

Our certified technicians can help you on-site.

Technical Details

Repair Steps:

  1. Safety First: Disconnect Power. Before any inspection, ensure the MERRYCHEF eikon e4s unit is completely disconnected from the main power supply. This error represents a significant electrical and radiation hazard.
  2. Inspect Magnetron Power Relay/SSR. Locate the power board and identify the relay or Solid State Relay (SSR) responsible for supplying power to the magnetron. Test for a stuck-closed condition or a short circuit across its terminals using a multimeter. If stuck or shorted, the Relay/SSR must be replaced.
  3. Check Triac/Driver Circuit. Investigate the triac or transistor that controls the magnetron relay/SSR. A shorted triac can continuously trigger the relay, causing the magnetron to remain active. Test the triac for shorts and replace if faulty.
  4. Verify Door Interlock Switches. The door interlock switches are critical safety devices designed to cut power to the magnetron when the door is open. Inspect all door interlock switches (primary, secondary, and monitor) for proper functionality. Ensure they are not faulty, bypassed, or misaligned, which could allow the magnetron to operate with an open door or incorrectly report the door status.
  5. Examine Power PCB for Damage. Carefully inspect the entire power PCB for any visible signs of damage, such as burnt components, bulging capacitors, or damaged traces, especially in the area related to magnetron control. Replace the Power Control Board if any damage is found.
  6. Inspect Control PCB. If all power circuit components and safety interlocks test good, the issue may lie with the main Control PCB that sends the command signal to the magnetron’s power circuit. A faulty control PCB could be erroneously activating the magnetron. This typically requires specialized diagnostics or replacement.
  7. Professional Assistance. Due to the high voltage and microwave radiation risks associated with magnetrons, if you are not fully confident in performing these checks safely, contact a qualified Merrychef service technician immediately.

Common Questions:

Q: What makes error 113 on the MERRYCHEF eikon e4s a critical safety issue?

A: Error 113 indicates the magnetron is operating without a request, meaning microwave energy is being generated when it shouldn’t be. This poses a severe risk of microwave radiation leakage if door interlocks fail, and can lead to overheating, component damage, or fire.

Q: Can I continue to use my MERRYCHEF eikon e4s with error code 113?

A: Absolutely not. Continuing to operate the oven with a “Magnetron On Without Request” error is extremely dangerous and could result in serious injury or extensive damage to the unit. Disconnect power immediately and do not use the oven until it has been professionally repaired.

Q: What components are most likely at fault when error 113 occurs?

A: The most common culprits for Error 113 are a faulty (stuck-closed or shorted) magnetron power relay or Solid State Relay (SSR), a shorted triac in the driver circuit, or an issue with the door interlock switches. Less commonly, a fault on the main control PCB could also trigger this error.

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.

Need Professional Help?

Our certified technicians can help you on-site.

Other e4s Error Codes

🔧 Fix this Error - Call Pro