CALL FOR SERVICE
Keurig Critical System Fault Lockout

Commercial Keurig displays “CALL FOR SERVICE” and will not brew.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Heater failure, Sensor failure, Control board error, Internal leak detected

How to Fix / Troubleshooting

Safety first: Turn off and unplug the brewer immediately. If you see or suspect a leak, shut off water supply.

  • Power reset: Unplug for 10 minutes, then plug in and see if the message clears.
  • Check for visible leaks: Inspect around and under the unit for water. If present, do not continue using the brewer.
  • Verify water and power: Ensure proper water supply and stable power to rule out external issues.
  • Do not bypass safety lockouts: This message indicates a serious fault. Contact Keurig commercial service or a qualified technician for diagnostics and repair.
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Repair Difficulty

Professional Required 5/5
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