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Error code reference

Frigidaire Refrigerator Error Code dF

Manual defrost mode active (d and F displayed when defrost heater is activated).

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What the dF error code actually means

The dF display on your Frigidaire refrigerator means the unit has been put into a manual defrost mode, which turns on the heating element inside the refrigerator to melt any frost buildup. This was most likely triggered accidentally by pressing certain buttons on the control panel at the same time. Your refrigerator is not broken, and you can turn this mode off by pressing and holding the Fresh Food up and Fresh Food down buttons together for 5 seconds.

Diagnostic procedure

The full dF procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
To deactivate, press and hold Fresh Food up (+) and Fresh Food down (-) keys for 5 seconds.
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Most common causes of dF

Ranked by how often they cause this code
  1. 1Accidental key combination press
  2. 2Technician-initiated diagnostic mode
  3. 3Control board irregularity
  4. 4Power cycle residual mode state

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Questions people ask about dF

What does dF mean on a Frigidaire refrigerator?
The dF code on a Frigidaire refrigerator means the unit is in manual defrost mode. This indicates the defrost heater has been activated through a specific button combination on the control panel. The refrigerator is not malfunctioning; the display is simply confirming that a manual defrost cycle is running. It can be deactivated by pressing and holding the Fresh Food up (+) and Fresh Food down (-) keys for 5 seconds.
Is the dF code on a Frigidaire refrigerator dangerous?
The dF code is not a safety hazard under normal circumstances. It simply means the defrost heater is active, which is a standard part of refrigerator operation. However, if the unit remains in this mode for an extended period, food temperatures could rise and spoilage could occur. Exiting the mode promptly using the key combination will return the unit to normal cooling.
How much does it cost to repair a Frigidaire refrigerator showing a dF code?
In most cases there is no repair cost at all, since the dF code simply indicates a manually activated defrost mode that can be exited for free using the control panel button combination. If the code is caused by a faulty control board that triggers the mode on its own, control board replacement typically costs in the range of $150 to $400 including parts and labor, depending on the model and service provider.
How do I fix the dF code on my Frigidaire refrigerator?
To exit manual defrost mode and clear the dF display, press and hold the Fresh Food up (+) key and the Fresh Food down (-) key at the same time for 5 seconds. The refrigerator should return to normal operation and the dF code should disappear. If the code returns on its own without any button presses, there may be a control board issue worth investigating further.
Will resetting my Frigidaire refrigerator clear the dF code?
A standard power reset by unplugging the unit may not reliably clear the dF code, and in some cases the control board may restore the mode state after power is restored. The correct method to deactivate manual defrost mode is to press and hold the Fresh Food up (+) and Fresh Food down (-) keys simultaneously for 5 seconds. Use the key combination rather than relying on a power cycle.

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