Whirlpool Refrigerator Error Code PO
Electrical Issues - Power Outage Detected
What Does PO Mean?
The PO error code indicates that a power outage was detected. The refrigerator experienced a loss of power and is alerting you to check food safety and reset the system.
Technical Diagram

Power supply monitoring and backup memory system
Expert Power System Diagnosis
Power outage alerts help protect your food by notifying you of temperature changes. Our certified technicians can verify your electrical system and ensure proper power supply to prevent future outages.
Step-by-Step Solutions
Check Food Safety
If the power was out for more than 4 hours, check food temperatures. Discard any perishables that reached above 40°F.
Reset the Error Code
Press and hold the alarm reset button or any button on the control panel for 3 seconds to clear the PO code.
Verify Power Supply
Check that the refrigerator is properly plugged in and the circuit breaker hasn't tripped.
Consider Surge Protection
Install a surge protector or UPS system to protect against future power fluctuations and outages.
Check Your Warranty Status
Where to Find Your Serial Number:
- Inside the refrigerator: On the left or right wall, near the top
- Back panel: Lower section of the rear panel
Format: 2nd character = Year (A=2020, B=2021, C=2022, D=2023, E=2024, F=2025), 3rd-4th digits = Week number
Official Whirlpool Service
Need Professional Help?
Our certified technicians can diagnose and fix your Whirlpool refrigerator PO error quickly and safely.
Schedule a Repair