Display 919 — Disinfection Operation Temperature Error

What does 919 mean?

This error occurs if the set temperature for disinfection is not reached, or if the temperature drops after reaching the set point during the disinfection cycle.

• Insufficient heating power
• Thermostat inaccuracy
• Heat loss from the tank
• Incorrect disinfection settings

Click steps to track your progress.

1. 1

   Ensure the disinfection cycle settings are correct and the target temperature is achievable.

2. 2

   Check the heating elements and their power supply.

3. 3

   Verify the temperature sensor is accurately reading the water temperature.

4. 4

   Inspect the tank insulation for any damage that could cause rapid heat loss.

5. 5

   Contact a technician if the issue persists after checking settings and basic components.