E12
Sta-Rite
Non-Volatile Memory / Parameter Error
Sta-Rite variable-speed pump shows E12 and will not start after a power outage.
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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
Corrupted configuration memory, Incomplete write during power loss, Failing EEPROM or microcontroller on control board
How to Fix / Troubleshooting
Safety: Disconnect power before opening the control housing.
- Factory reset: Use the Sta-Rite pump's menu to perform a factory reset or default parameter load (refer to the specific model manual). Reprogram schedules and speeds afterward.
- Power cycle: Turn off the breaker for several minutes, then restore power and see if E12 clears.
- Check for repeated power drops: If the pump is on a circuit with frequent brownouts, consider installing a UPS or line conditioner for the control electronics.
- Board replacement: If E12 persists and the pump cannot be configured, the control board's memory is likely defective and the board should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Sta-Rite pump control board / drive module
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