Hayward Pool Pump Error Code 01: How to Fix It

Easy 15-30 minutes High Severity Verified June 2026
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Error Code
01
Brand
Hayward
Product Type
pool_equipment
Severity
High
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
Hayward pool pump error code 01 indicates that the pump has detected no water flow. This usually means the pump is running dry, often due to a clogged skimmer basket, blocked impeller, or closed valves. Fix it promptly to prevent pump damage.
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Tools You'll Need

How to Fix Error Code 01

  1. Turn Off Power to the Pump

    Always disconnect power before servicing electrical equipment to avoid shock.

  2. Check and Clean the Skimmer Basket

  3. Inspect the Pump Strainer Basket

    Lubricate the lid O-ring with pool lubricant if it appears dry to prevent air leaks.

  4. Check Inlet and Outlet Valves

  5. Clear the Impeller

    Wear gloves to protect your hands from sharp debris.

  6. Prime the Pump

    Never run the pump dry for more than a few seconds to avoid seal damage.

  7. Check for Air Leaks

Parts You May Need

Pump lid O-ring
Check Price on Amazon
Pump strainer basket
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Pump lid O-ring
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Pump strainer basket
Check Price on Amazon
Pump lid O-ring
Check Price on Amazon
Pump strainer basket
Check Price on Amazon
Pump lid O-ring
Check Price on Amazon
Pump strainer basket
Check Price on Amazon
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When to Call a Professional

If you've performed all steps and the error persists, or if you suspect a damaged pump shaft seal or motor, call a pool service professional.

Frequently Asked Questions

What does Hayward error code 01 mean?
It means the pump has detected no water flow, likely due to a clog, closed valve, or air leak.
Can I run my Hayward pump with error 01?
No. Running the pump without water can damage the pump seal and motor. Fix the issue immediately.
Why does my Hayward pump keep losing prime?
Common causes include air leaks in suction plumbing, low water level in the pool, or a dirty filter.
How do I reset error code 01 on my Hayward pump?
Turn off the pump power for 30 seconds, then turn it back on. If the issue is resolved, the error clears.
Do I need a new pump if error code 01 shows?
Not necessarily. In most cases, cleaning debris or opening valves fixes it. Only if the pump is physically damaged might replacement be needed.

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