Display shows CHE or CHEM; chemical reminder or imbalance alert.

Safety first: Wear gloves and eye protection when handling spa chemicals.

• Test water: Use test strips or a liquid kit to check sanitizer, pH, and alkalinity.
• Adjust chemicals: Add sanitizer, pH increaser/decreaser, and alkalinity adjuster as needed to reach Sunrise Spas' recommended levels.
• Reset reminder: Follow the user manual to reset the CHE reminder through the topside control menu.
• Inspect in-line system: If equipped with a Sunrise Spas in-line sanitizer or ozone system, verify that cartridges are not empty and that the ozone generator is functioning.