Water Level Loss

What does WLL mean?

An analog input programmed for setting 23 'WaterLvl/Suction' has dropped below 3 mA or risen above 21 mA for longer than 1 second. This indicates a problem with the level sensor or its wiring.

• Level sensor malfunction or damage
• Wiring fault to the level sensor
• Analog input signal outside the 3-21 mA range

Click steps to track your progress.

1. 1

   Repair or replace the level sensor

2. 2

   Check wiring between the level sensor and the drive