Jandy Pool Pump Error Code 2: How to Fix VFD Over Voltage

Medium 30-60 minutes Medium Severity Verified June 2026
Error Code
2
Brand
Jandy
Product Type
pool_equipment
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 2 on a Jandy pool pump indicates a VFD (Variable Frequency Drive) over voltage condition. This means the voltage supplied to the pump's drive is too high or has spiked, potentially damaging the electronics. This guide will help you diagnose and fix common causes, such as power supply issues or faulty components.
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Tools You'll Need

How to Fix Error Code 2

  1. Check Power Supply Voltage

    Turn off power at the breaker before accessing electrical connections.
  2. Test for Voltage Spikes

    Do not touch live wires. Use insulated tools.
  3. Inspect Wiring and Connections

    Confirm power is off before touching wires.
  4. Check the VFD Drive

    Capacitors inside the VFD can hold charge. Only attempt if you are trained.
  5. Reset the Pump

Parts You May Need

Whole-home surge protector
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VFD drive module
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Whole-home surge protector
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VFD drive module
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Whole-home surge protector
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VFD drive module
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Whole-home surge protector
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VFD drive module
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When to Call a Professional

If you measure consistent over voltage from the utility, call an electrician. If the VFD drive appears damaged or the error persists after checking wiring and power, contact a Jandy-certified technician for VFD replacement.

Frequently Asked Questions

What does error code 2 mean on a Jandy pool pump?
Error code 2 indicates a VFD (Variable Frequency Drive) over voltage condition, meaning the voltage supplied to the pump's drive is too high.
Can I reset a Jandy pump error code 2 myself?
Yes, you can power cycle the pump (turn off breaker for 5 minutes) to reset. However, if the underlying voltage issue isn't fixed, the error will return.
What voltage should a Jandy pool pump have?
Most Jandy pool pumps run on 230V or 115V. Check your pump's label. Voltage should be within ±10% of rated (e.g., 207-253V for 230V).
Is a power surge protector required for a Jandy pool pump?
While not mandatory, a whole-home or dedicated surge protector is highly recommended to prevent VFD over voltage errors and protect electronics.
How much does it cost to fix error code 2 on a Jandy pump?
DIY fixes (checking wiring, installing surge protector) cost under $100. Professional VFD replacement can cost $300-$800 depending on parts and labor.