Midea JHDW15IOT Instruction Manual page 39

Display
8 Screen
Rinse Aid
If the " " indicator is lit, it means the dishwasher is low
on dishwasher rinse aid and requires a refill.
Water Faucet
If the " " indicator is lit, it means the water faucet closed.
To show the reminding time and delay time, error codes etc.