3
returning to the current tank temperature. Your heater is now set.
You can press the “ ” button repeatedly to display 68~93
℉
C. Digital display models
1. Out of water: The heating rod is out of water and displays the
fault code “ER”; the heater will stop heating.
2. Malfunction: The heater will display a fault code for troubleshooting.
3. Setting temperature: Setting the desired value
button ( ) and the digital temperature wil
l fl
ash three times on
the display. Press until reach your desired temperature value and
display wil
l fl
ash the desired temperature value three times before
5.TROUBLESHOOT
Cool the water to return it
to normal temperature.
EH
Er
Ec
E3
H1
Fa ult Code E xpla na tion S olutions
The wa ter temp is
higher tha n 97℉.
Hea ting rod is
exposed to a ir.
Pla ce the h ea ting
rod f ully in wa ter.
The relay is m elted.
Disca rd the h ea ter
Temperature sensor is
short-circuit protection.
Disca rd the h ea ter
Communica tion fa ilure Disca rd the h ea ter
Out o f w ater Malfunction
