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Error Code

Frigidaire Range F5 Code: Watchdog Circuit Active

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Jordan Avery Written by Jordan Avery Appliance Repair Content Specialist Published October 20, 2026

Content status: Verified

Error code F5
Appliance Range
Quick answer

F5 is a legacy watchdog circuit code where the EOC relay failed its operation test.

Model compatibility: Frigidaire has used more than one control platform, so F5 may mean something different on another appliance or generation. Confirm this against your model documentation and record your full model number before acting.

Plain language

What this code means

Watchdog circuit active when it should be disabled; EOC relay failed operation test after Bake, Broil or Clean selection.

Older series code

Only older EOC models display F5. The watchdog circuit is running at a moment it should be disabled.

What triggers it

  • You choose Bake, Broil or Clean.
  • The microprocessor checks that the EOC relay works.
  • The relay fails the check, and F5 appears.

Technician checklist

  1. Look for a shorted keypad.
  2. Look for pushbuttons that bind in the glass and stick.
  3. If both are clear, replace the EOC.

Compare with

  • F6: no 60 Hz base on the same older controls
  • F7: lock motor relay watchdog
  • F4: a shorted sensor code from older ovens

Service in the Frigidaire coverage area

Living in the Miami, New York, Houston, Los Angeles or San Diego metro areas? Call (844) 455-3576 for Frigidaire range repair, and bring the displayed code, the model number and what you tried.

Source: Frigidaire ranges and ovens with electronic oven controls – fault code sheet

Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

Seeing this code on your Frigidaire appliance?

Book a repair visit for a clear estimate and approval before any work. Share the full model number and the exact code so diagnosis can start with the right path.

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Phone (844) 455-3576
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