White film or spots on glasses and dishes after washing

Safety first: Allow the machine to cool before handling internal components.

• 1. Check water hardness: Test incoming water hardness and compare with Jet Tech recommendations.
• 2. Adjust detergent and rinse aid: Increase rinse aid dosing and adjust detergent concentration according to hardness.
• 3. Descale machine: Run a descaling cycle using a Jet Tech-approved descaler to remove existing limescale from the tank, arms, and heater.
• 4. Verify rinse temperature: Ensure the booster heater is achieving the correct final rinse temperature for optimal rinsing.
• When to call a technician: If scaling is severe or the booster does not heat properly, professional service may be required.