COdE
Wellis
Configuration / Dip Switch or Software Configuration Error
Display shows CODE or similar and spa does not start normal operation after power-up
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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
Incorrect control pack configuration for spa model, Wrong dip switch settings on main board, Firmware mismatch with topside panel, Recently replaced control pack not programmed for Wellis model
How to Fix / Troubleshooting
Safety first: Turn off power at the breaker before opening the control pack.
- 1. Verify model and pack:
- Confirm the control pack part number matches your specific Wellis spa model.
- 2. Check dip switch settings:
- Open the control pack and locate the dip switches on the main board.
- Compare their positions to the configuration chart in the Wellis service manual for your model.
- Adjust switches as required (power OFF while changing).
- 3. Power cycle:
- After setting switches, restore power and see if the spa boots normally.
- 4. Firmware / panel compatibility:
- If CODE persists, the topside panel and control pack may be mismatched. Consult Wellis documentation or a technician to confirm compatibility.
- 5. Professional programming:
- Some packs require dealer-level programming tools. Contact a Wellis dealer or technician to correctly configure the control system.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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