E06 Water tank temperature is too low
Fault action
1 Display fault
2 Stop all outputs except water pump
Fault handling
1 Check whether the water temperature is lower than 1℃ and whether the titanium cannon is frozen
2 Check whether the water pump and water flow are normal during heating
3 Check whether the A0 plug and wiring are reliable
4 Check or replace the A0 temperature sensor, check or replace the control main board