Hayward
Failed Keypad or Low-Voltage Power Supply
Variable-speed pump display is blank, but motor hums or clicks.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Defective keypad/display module, Failed low-voltage power circuit on drive, Loose keypad ribbon cable, Surge damage
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before opening the control housing.
- Check connections: Remove the control cover and ensure the keypad ribbon cable is firmly seated on the control PCB.
- Inspect for damage: Look for burned components or corrosion on the control board.
- Test with automation: If connected to a Hayward automation system, see if the pump responds to external commands despite the blank display. This can help isolate the keypad as the issue.
- Replace keypad or drive: If the keypad is confirmed faulty, replace it with a Hayward OEM keypad. If the low-voltage supply is bad, the entire drive module must be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Keypad / Display Module
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