Whirlpool Refrigerator PO Error: Power outage detected
What Is the Whirlpool Refrigerator PO Error Code? The PO error code appears on Whirlpool French Door (WRF535SWHZ, WRF560SFHZ) and Side-by-Side (WRS325SDHZ, WRS571CIHZ) models after a power interruption long enough to compromise food temperatures. The display flashes “PO” to prompt you to inspect stored food rather than assume everything is safe. Why Does the PO […]
Some Steps
DIY Fixable
from $250
Typical Repair Cost
1-2 hours
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Yes. The refrigerator hardware is unaffected. Check food safety and clear the code; the unit will operate normally.
Can I reset the code?
Yes. Press and hold OK or Lock for three seconds to dismiss the PO alert once food has been evaluated.
When to stop immediately?
Stop if you notice: PO reappears immediately after clearing and power supply is confirmed stable., The display shows additional error codes alongside PO..
Symptoms You May Notice
Interior feels warmer than usual
Food and beverages inside the refrigerator are noticeably warmer than the set temperature after power is restored.
Ice bin partially or fully melted
Ice in the bin has melted into a solid block or puddle, indicating a period without cooling.
Food safety concerns after outage
Perishable items such as dairy, meat, and leftovers may have exceeded the safe 40 °F threshold during the outage.
PO flashing on control display
The control panel displays a flashing "PO" alert as soon as power is restored to notify you of the recorded outage event.
Possible Causes
Utility or household power outage
A grid or breaker interruption cut power to the unit long enough for the control board to log a temperature event.
DIY PossibleLoose power cord or tripped GFCI outlet
A partially seated plug or a tripped GFCI outlet can cause repeated micro-outages that keep triggering PO.
DIY PossibleFaulty main control board
In rare cases the board incorrectly logs a power loss event due to an internal component failure.
Requires ProfessionalSafe Checks You Can Do
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1
Inspect the power cord and outlet
Pull the refrigerator forward slightly and confirm the power cord is fully seated in the wall outlet. Press the reset button on any GFCI outlet nearby.
Plug a lamp into the same outlet to confirm the outlet is live.
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2
Check the breaker panel
Locate the dedicated 15 A or 20 A breaker for the refrigerator circuit and confirm it is fully in the ON position. Reset it if it is tripped.
Whirlpool recommends a dedicated circuit for all French Door and Side-by-Side models.
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3
Clear the PO alert
Press and hold OK or Lock for three seconds (refer to your model's owner manual) to acknowledge the code and return the display to normal.
If the code returns within minutes, stop using the unit and call a technician.
When to Call a Professional
Contact a qualified technician if:
- PO returns repeatedly without any real power interruption occurring.
- Control board shows signs of burning, corrosion, or unusual odors near the electronics bay.
Need Professional Help?
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