Er8
Raypak
EEPROM or Configuration Memory Error
Raypak controller shows Er8; unit may operate erratically or not at all.
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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 control board memory, Power surge, Incorrect firmware, Failing main control board
How to Fix / Troubleshooting
Safety first: Disconnect power before handling the control board.
- Factory reset: If supported by your Raypak model, perform a factory reset via the keypad following the service manual.
- Check power quality: Ensure the unit is on a dedicated circuit with proper grounding. Consider adding surge protection.
- Reprogram settings: After reset, re‑enter configuration parameters (pool/spa setpoints, time, etc.).
- Replace control board: If Er8 returns, replace the main control board with a Raypak OEM part.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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