Pentair Pool Equipment Power Out Failure: How to Fix It

Hard 1-2 hours Critical Severity Verified June 2026
Error Code
Power Out Failure
Brand
Pentair
Product Type
pool_equipment
Severity
Critical
DIY Difficulty
Hard
Estimated Fix Time
1-2 hours
The Pentair Power Out Failure error indicates a critical malfunction in the output stage drive circuit that controls your pool equipment's motor functions. This error means the drive circuit that delivers power to your pump or other pool equipment has failed and requires immediate replacement to restore normal operation.
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Tools You'll Need

How to Fix Error Code Power Out Failure

  1. Turn Off Power and Ensure Safety

    Never work on pool equipment with power on. Electrocution risk is high near water. Always verify power is completely off before proceeding.
  2. Document Wiring Configuration

  3. Remove Equipment Housing

    Be careful not to damage gaskets or seals when removing covers, as these prevent water intrusion.
  4. Test Drive Circuit with Multimeter

  5. Disconnect Drive Unit Wiring

  6. Install Replacement Drive Unit

  7. Reassemble and Test System

    Monitor the equipment for several cycles to ensure proper operation before leaving unattended.

Parts You May Need

Variable speed drive circuit board
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Electrical contact cleaner
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Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
Variable speed drive circuit board
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Dielectric grease
Check Price on Amazon
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When to Call a Professional

Call a certified pool equipment technician if you're uncomfortable working with electrical components, if the replacement drive unit doesn't resolve the issue, or if you discover additional damaged components during inspection. Professional diagnosis may be needed if multiple electrical faults are present.

Frequently Asked Questions

What causes Pentair power out failure?
Power out failure is typically caused by electrical surges, age-related component degradation, overheating, moisture intrusion, or voltage fluctuations. Power surges from lightning or electrical grid issues are common culprits.
Can I still use my pool with power out failure?
No, you should not operate pool equipment with a power out failure error. The faulty drive circuit can cause further damage to the motor or other components and may create safety hazards.
How much does a Pentair drive replacement cost?
Replacement drive circuits typically cost $150-$400 depending on your specific Pentair model. Professional installation adds $100-$200 in labor costs, but DIY replacement can save money if done safely.
How can I prevent power out failure in the future?
Install surge protection devices, ensure proper ventilation around equipment, keep moisture away from electrical components, and schedule regular maintenance. Consider a whole-home surge protector for comprehensive protection.
Will my warranty cover power out failure repair?
Warranty coverage depends on the age of your equipment and cause of failure. Power surges or lightning damage may not be covered. Check your warranty documentation or contact Pentair customer service for specific coverage details.