Microwave Low Severity
PF Appliance Error Code

Viking Microwave PF Error: Power failure recovery

What Viking Microwave PF Code Means PF stands for Power Failure. It appears whenever the microwave loses power — after a household outage, a tripped breaker, or simply being unplugged. It is an informational message, not an error or fault. Your microwave is completely fine. The fix takes about ten seconds: press the Clock button, […]

Quick Assessment

Answer to continue safely

Is it safe to keep using?

Yes. PF is not a fault. The microwave is fully operational. Simply reset the clock and resume normal use.

Can I reset the code?

Yes. PF clears as soon as the clock is reset. No power cycle or service needed.

When to stop immediately?

Stop if you notice: No need to stop use, If PF appears repeatedly without any known power outage, investigate for an intermittent power supply issue.

Symptoms You May Notice

PF on display or flashing clock

PF code shown, or the clock display is flashing 12:00 or showing dashes.

All programmed settings lost

Custom settings, clock, and any timer programs have been cleared.

Microwave otherwise fully functional

All cooking functions work normally once the clock is reset.

Possible Causes

1

Power outage

A household electrical outage interrupted power to the microwave.

DIY Possible
2

Tripped circuit breaker

The kitchen circuit breaker tripped briefly and was reset.

DIY Possible
3

Microwave unplugged

The unit was disconnected from power for moving, cleaning, or maintenance.

DIY Possible

Safe Checks You Can Do

These checks are safe for homeowners. No disassembly required. Do not remove panels or access internal components.
  1. 1

    Reset the clock

    Press the Clock button (or Clock/Timer on some models). Enter the current time using the number pad. Press Clock or Start to confirm. PF should clear immediately.

    Refer to your model's manual for the exact clock-setting sequence — it varies slightly between Viking microwave models.

When to Call a Professional

Contact a qualified technician if:

  • PF appears repeatedly on a stable power supply with no known outages
  • Clock resets to zero unexpectedly during normal operation

Need Professional Help?

Find qualified technicians in your area for proper diagnostics and repair.

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