COd
Everlast Spas
Cold Start Protection
Display shows COd or COLD and spa will not start normal heating until temperature rises.
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Possible Causes
Very low water temperature at startup, Sensor reading below safe heating threshold, Recently winterized spa refilled with cold water
How to Fix / Troubleshooting
Safety first: Ensure all plumbing is thawed before operating the spa.
- Gradual warm-up: Allow the Everlast heater and pumps to run as programmed. COd should clear as water temperature rises.
- Insulate: Keep the Everlast cover closed and consider adding a floating thermal blanket to speed heating.
- Sensor check: If COd persists in moderate temperatures, test the temperature sensor and replace if it reads abnormally low.
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Repair Difficulty
Easy
2/5
Required Part
Temperature Sensor
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