Steamtec AIO - Troubleshooting; -L Temperature below 6°C; -H Temperature higher than 60°C; -E Water supply or fill faults

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
Cut off the power supply before any maintenance.

Test the equipment after maintenance.
9. Troubleshooting
Repair can only be performed by qualified professionals, for more services or technical helps
please contact the dealer.
AIO steam generator has self-diagnose function, and some common faults will be displayed on
the screen if occur.
Code
Meaning
Diagnose and Solution
-L
Temperature measured by
temperature sensor is below 6 °C
Check whether the room temperature is
below 6 °C, the code should disappear after
the room temperature reaches 6 °C.
Otherwise check the connection of the
sensor.
-H
Temperature measured by
temperature sensor is higher than
60 °C
Check whether the room temperature is
above 60 °C, the code should disappear after
the room temperature drops below 60 °C.
Otherwise check the connection of the
sensor.
-E
Water supply or water fill in faults, the
heating elements will not heat up or
stop heating up.
Check whether the water inlet solenoid valve
works, check the valve on the water pipeline
or water supply source, check the magnetizer
(if have), check whether the water level
sensor connection cable is rusted or not
connected. If any problem on above items,
please clean, replace or process the problem,
then restart the machine, to see if you can
feel the water inlet or not.
EE
Communication fault between the
controller and circuit board on the
central box.
Please check the connection cable, if any turn
off or short off, if the connection of the wire
is good or not.
d or dd
Time runs out or pressed the
“ON/OFF” button, machine stop
working and go in the auto drain
progress.
Normal
Table 5