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PO on a JennAir refrigerator is most often discussed as a power outage condition. Below: typical meaning, what you may notice, safe homeowner checks, and when JennAir Appliance Repair should diagnose on site.
Reviewed by Marcus Hale · Last reviewed August 11, 2026
Written by
Marcus Hale Appliance Repair Content SpecialistPublished August 9, 2026Updated August 11, 2026Technically reviewed August 11, 2026
Reviewed Wording follows cited JennAir service literature; confirm decode on your exact model.
Status/indicator message commonly seen on JennAir / Whirlpool-family controls; confirm wording in your use & care guide.
Error codePO
ApplianceRefrigerator
Affected model seriesApplies to many JennAir built-in / column installations; match your docs
Quick answer
PO · Power outage · JennAir refrigerator — independent plain-language overview.
Model compatibility: JennAir reuses codes across series and model years, so PO may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Homeowner summary: PO means a power interruption was detected. Confirm stable power and food safety; clear the indicator per your manual once temperatures recover. Never assume one forum post or generic chart overrides your rating-plate model. Independent technicians at JennAir Appliance Repair test the live appliance rather than guessing from the code alone.
Signs
Symptoms you may notice
The refrigerator shows PO and controls act erratically
PO appears at power-on
Programs won’t start reliably with PO
Why it happens
Possible causes
A control-board fault
A power or wiring irregularity
A firmware or electronics glitch
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Confirm stable power at the outlet
Perform a manufacturer-approved restart once
Record the full model number
Write down the exact display string, cycle mode, and whether the fault repeats
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.
Please avoid
What not to attempt
Do not open internal panels or access high-voltage components
Do not bypass door locks, safety switches or interlocks
Get help
When to call a technician
If PO persists after the safe checks above, contact a qualified appliance technician with your model and serial numbers. This site is independent repair guidance — not official JennAir service.
Seeing this code on your JennAir appliance?
Book a specialist visit for a clear estimate and approval before any repair. Independent service — not affiliated with JennAir.
Column or French-door running warm, frosting unevenly, or pooling water? We diagnose JennAir refrigeration inside the install and restore stable temperatures.
Power failure (PF) — the unit lost power and is alerting you that temperatures may have risen during the outage. Check food safety, confirm the outlet and breaker,…
PO means a power interruption was detected. Confirm stable power and food safety; clear the indicator per your manual once temperatures recover.
Often a single power-cycle after a documented user fix clears a stale message. If PO reappears immediately, stop repeating resets and book JennAir Appliance Repair.
Never assume one forum post or generic chart overrides your rating-plate model. Independent technicians at JennAir Appliance Repair test the live appliance rather than guessing from the code alone.
No. JennAir Appliance Repair publishes independent repair guidance for homeowners. For manufacturer documentation use producthelp.jennair.com and your model manual — then book an independent technician if the fault continues.
