Error
Possible reason
Solution
Cold water tapped out and
display screen
extinguished
Bad connection between power supply plug and socket;
Setting water temperature too low;
Temper sensor broken ;
PCB of indicator broken.
Connect again the supply plug
Setting water temp. higher;
Contact service center.
No hot water tapped out
Public water supply ceased;
Cold water inlet pressure too low (<0,15 Bar) (<0,015
MPa);
Cold water inlet valve closed.
Waiting for public water supply recover;
Waiting for inlet water pressure increase;
Open water inlet valve.
Water leakage
Hydraulic pipeline joints are not sealed well.
Check and reseal all joints.
Problem solving
10 CONTROL