Error Code
high
Merrychef e2s – Thermocouple Troubleshooting
On your MERRYCHEF eikon® e2s unit, a non-functioning thermocouple indicates a critical…
Merrychef e2s - E112: SRB BOARD TEMP SENSOR - Ambient Temperature Sensor Failure on SRB
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® e2s unit, error E112 indicates an ambient temperature sensor failure located on the System Regulator Board (SRB). This typically points to a malfunction of the SRB itself, preventing proper oven operation. The primary solution involves replacing the faulty SRB and subsequently updating the oven's firmware.
Technical Details
Repair Steps:
- Safety First: Disconnect Power. Before attempting any service, always unplug the MERRYCHEF eikon® e2s from its power source and allow it to cool completely. Ensure all safety protocols are followed to prevent electric shock or burns.
- Access the SRB. Carefully remove the necessary external panels and internal components to gain access to the System Regulator Board (SRB). Refer to your oven’s service manual for exact panel removal instructions and SRB location.
- Transfer the PM Chip. The SRB contains a crucial PM (Parameter Memory) chip that stores oven-specific configuration and calibration data. Before removing the old SRB, carefully extract this chip. It is typically a small, removable integrated circuit.
- Install PM Chip on New SRB. Gently insert the previously removed PM chip into the designated socket on the new replacement SRB. Ensure correct orientation to avoid damage. This step is critical for retaining your oven’s specific settings.
- Replace the SRB. Disconnect all wiring harnesses and connectors from the old SRB. Securely install the new SRB into its mounting location, then reconnect all wiring, ensuring each connection is firm and correct.
- Download and Load Firmware. Visit merrycheftechnical.com to download the latest firmware version compatible with your eikon® e2s model. Follow the instructions provided by Merrychef to load the up-to-date firmware onto your oven. This often requires a USB drive.
- Test and Verify. Reassemble the oven panels. Reconnect power and power on the unit. Perform a full operational test, including running a cooking cycle, to ensure the E112 error has cleared and the oven is functioning correctly. Monitor temperatures and overall performance.
Common Questions:
Q: What is the SRB (System Regulator Board) on a Merrychef eikon® e2s?
A: The SRB is the main control board responsible for regulating various oven functions, including temperature control, power management, and communication between components. It’s central to the oven’s operation.
Q: Why is transferring the PM chip so important when replacing the SRB?
A: The PM (Parameter Memory) chip stores unique calibration data and configuration settings specific to your individual oven. Transferring it ensures that the new SRB functions correctly with your oven’s specific parameters, avoiding further issues or re-calibration.
Q: Can I fix the ambient temperature sensor on the SRB without replacing the entire board?
A: No, the ambient temperature sensor is typically integrated directly onto the SRB itself. It’s not a separately replaceable component; therefore, the entire SRB must be replaced if the sensor fails.
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.