A.O. Smith ADR75-V-ET-1 User Manual page 12

(2) LED Screen Function
1) Power On: display in full screen for 5 seconds and twinkle for 3 times, then the unit enters into initialized
state.
2) Produce water: if water grid on
keeps on, it shows that product is purify water. Otherwise, systerm is not working.
3) Water level: three lines on
water lever. Two lines represent medium water level while three lines mean the tank is full.
4) Lack water: All water grids on
5) heating:
closed.
Working
6) refrigerating:
refrigerating system is closed.
7) child lock icon: stays on when it is locked.( hot water button becomes invalid). Turns off when it is unlocked.
(hot water button becomes effective.)
8) water temperature: hot water temperature:
9) filter life:
corresponding stage. Green: normal state. Red: filter needs to be replaced immediately. Orange：early
warning, filter needs to be replaced after some time (please call our hot line and prepare for machine
maintenance)
12
Heat
represent different water levels of water tank. One line indicates low
light off.
-heating, - heating standby.
Cold
-refrigerating.
Working
flashes from top to below and indicator on icon
icon turns off when heating system is
Working
-refrigerating standby.
red, real-time display of water temperature in the tank.
Use different colors to show the status of filter in
Cold
Working
Cold
icon turns off when