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 95: Filter Out Test Fail
Caution / Monitor Closely
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Working with commercial kitchen equipment involves high voltage, gas, and high temperatures.
We strongly recommend contacting a certified service technician for any repairs.
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TLDR
On your eikon e4s unit, error code 95, "Filter Out Test Fail", indicates a problem with the oven's air filtration system. This typically means the unit's internal diagnostic test failed to detect proper airflow or the presence/condition of the necessary filters. Common culprits include blocked air filters, a faulty filter sensor, or an issue with the exhaust fan or air circulation path.
Technical Details
Repair Steps:
- Inspect and Clean/Replace Air Filters: The most common cause is blocked or dirty air filters. Access and remove both the external grease filters and any internal particle filters as per your MERRYCHEF eikon e4s service manual. Clean grease filters thoroughly and replace particle filters if they are clogged or damaged. Ensure they are correctly reinstalled.
- Check the Filter Sensor: Locate the filter sensor (often a pressure switch or airflow sensor) within the air circulation path, typically near the filters. Inspect it for physical damage, obstructions, or debris that might be preventing it from registering correctly. Ensure its wiring connections are secure.
- Verify Exhaust Fan Operation and Airflow Path: Power up the oven and listen for the exhaust fan. If it’s not running or sounds unusually weak, inspect the fan motor and impeller for obstructions or damage. Also, check for any blockages in the air intake or exhaust ducting that could restrict airflow, preventing the “Filter Out Test” from passing.
- Examine Wiring and Connections: Trace the wiring from the filter sensor and exhaust fan back to the main control board. Look for any signs of loose connections, frayed wires, or damage that could interrupt the signal. Secure or repair any faulty wiring.
- Evaluate Control Board Functionality: If all physical components and wiring appear to be in good order, the issue might lie with the main control board’s ability to interpret the sensor’s signal or control the fan. This would require advanced diagnostics by a qualified technician, potentially leading to control board replacement.
Common Questions:
Q: What does “Filter Out Test Fail” mean on my Merrychef eikon e4s?
A: This error means the oven’s internal diagnostic test has failed to confirm adequate airflow or the proper status of the air filters. It’s often triggered by a blocked filter, a malfunctioning filter sensor, or issues with the exhaust fan.
Q: Can I continue to use my Merrychef eikon e4s with error code 95?
A: It is strongly advised not to use the oven when error code 95 is active. Continued operation with compromised air filtration can lead to critical component overheating, such as the magnetron, potentially causing costly damage or safety hazards.
Q: How often should I clean or replace the filters on my eikon e4s to prevent this error?
A: The frequency depends on usage, but typically, grease filters should be cleaned daily or weekly. Particle filters usually require replacement every 1-3 months. Regular maintenance, as per your Merrychef manual, is crucial to prevent airflow issues and error code 95.
When to call a technician
Consider calling a certified technician if:
- The error keeps coming back after you've tried the steps above.
- You're not comfortable doing the checks or repairs yourself.
- You notice unusual noise, smell, or behaviour.
- Equipment is under warranty and you want official service.
- You need the unit back in service quickly with minimal downtime.