Identify and Deal with Common Faults
Identify and Deal with Common Faults
If water heater broke down during normal use, please immediately cut off the power,
check according to the following content.
Faults
No flowing water
No hot flowing water
Flowing water comes
out hot and cold
Water drips from
safety valve outlet
Water continuously
drips from safety
valve outlet
Wiring diagram
L
E
N
Reasons
①Whether the water is cut off or the
pressure is too low
②Whether the inlet and outlet water
globe valve is open
③Whether the pipes are blocked
①
Excessive mixing cold water
②
Low temperature setting
③
Insufficient heating time
④
Internal circuit break down
External water pressure is
unstable
Normal
Water pressure too high
Solution
①
Check the water supply
②
Open the inlet and outlet water
globe valve
③
Clean pipes
①
Adjust mixing valve
②
Reset temperature
③
Keep heating
④
Maintenance
Waiting for water pressure go
normal
Connect drain pipe and lead
to safe drain
Install a pressure limiting valve
on the water inlet pipe
Thermostat