Meiko M-iClean - Error 967: Emergency Factory Parameters Reset

🛑 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 MEIKO UM, UM+, US unit, error code 967 signifies an emergency factory parameters reset. This indicates the unit's operating parameters have reverted to default settings, often due to a critical system error or power fluctuation. To resolve this, you must access the service menu to verify and re-enter the correct operational parameters for your specific machine setup.

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Technical Details

Repair Steps:

  1. Acknowledge and Clear the Error:

    First, attempt to clear the error message from the display. On most MEIKO UM/US models, this can be done by navigating through the menu or holding a specific button combination. Refer to your machine’s operation manual for the exact procedure to acknowledge and clear system messages.

  2. Access Service Menu and Verify Parameters:

    Enter the service technician’s menu. This typically requires a specific key sequence or password. Once in the service menu, navigate to the parameter settings. Carefully review all critical operational parameters such as detergent/rinse aid dosing, temperatures (wash/rinse), cycle times, and water hardness settings. Compare these to the original commissioning sheet or a known good configuration. If parameters are incorrect or blank, proceed to re-enter them.

  3. Reload Factory Default (If Necessary and Documented):

    If you don’t have the specific parameters, some MEIKO units allow reloading a default set of parameters, which then require specific adjustments. It is crucial to document all original parameters before any changes. Consult your MEIKO service manual for the exact procedure for your model series (UM, UM+, US) on how to re-establish parameters, either from a backup or by manually entering them.

  4. Inspect Power Supply and Control Board:

    An emergency parameter reset can sometimes be triggered by unstable power supply or an intermittent fault on the control PCB. With the machine powered off and disconnected from the mains, visually inspect the main control board for any signs of damage, burnt components, or loose connections. Check power supply terminals for secure wiring. If any damage is noted, professional replacement of the faulty component or PCB is required.

  5. Test Machine Operation and Calibration:

    After re-entering or verifying all parameters, exit the service menu and perform a test wash cycle. Monitor all functions, including detergent/rinse aid dosing, temperatures, and pump operation. If the machine does not operate correctly, it may require professional re-calibration or further diagnostic checks to pinpoint an underlying hardware issue that caused the emergency reset.

Common Questions:

Q: What causes an emergency factory parameters reset on a MEIKO dishwasher?

A: This error often occurs due to a critical software glitch, unexpected power fluctuations, or a fault within the main control PCB that causes the system to revert to its default settings to prevent further damage or incorrect operation.

Q: Can I fix error 967 myself, or do I need a technician?

A: If you have access to the service manual, the correct parameter values, and are comfortable navigating service menus, you might be able to re-enter the parameters. However, if the issue persists or you suspect a hardware fault, it’s best to call a qualified MEIKO service technician to diagnose and rectify the underlying cause.

Q: Will an emergency factory reset erase all my customized wash programs?

A: Yes, an emergency factory parameters reset will typically revert all custom wash programs, dosing settings, and other user-defined configurations back to the original factory default. You will need to re-enter any custom settings you had configured.

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.

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