English
18
Regularly clean the filter scale, in order to avoid congestion.
Do not clean the water heater cover with acidic or alkaline cleaning detergent; after cleaning
the heater with neutral detergent, please cut off the power.
Error Code
Malfunction phenomenon
Causes
Handling method
E1
The buzzer ring 5 times,
and the green light is on
Power leakage
Close the water tap, cut
of the power, and
contact with the
maintenance department
E2
The buzzer ring 5 times,
and the green light is on
Electric leakage coil
malfunction
Close the water tap, cut
of the power, and
contact with the
maintenance department
E3
The buzzer ring 2 times,
and the green light is on
Water outlet temperature
sensor open circuit
Contact with the
maintenance department
Outlet temperature sensor
open circuit
Contact with the
maintenance department
E4
The green light is on
The water outlet
temperature more than
55
o
C
Adjusting water flow
L2
The green light is on
Not enough water flow
Adjusting water flow
Part 7:
Electric Diagram
Part 5:
Maintenance
Part 6:
Trouble Causes & Handling Method
