INSS0711
4. Troubleshooting
Problem
Solution
The thermostat is hot.
In normal operating
conditions, the thermostat
housing can reach nearly
40°C at maximum load. That
is normal and will not affect
the effective operation of the
thermostat.
Heating is always on.
Check if the thermostat is
properly connected. Refer to
the installation section.
Heating does not run
even if the thermostat
indicates it is on.
Check if the thermostat is
properly connected. Refer to
the installation section.
The display does not
turn on.
Check if the thermostat is
properly connected. Refer
to the installation section.
Check the power supply at the
electrical panel.
The displayed ambient
temperature is
incorrect.
Check the presence of an air
stream or a heat source near
the thermostat, and correct
the situation.
The display indicates
E1 or E2.
Faulty thermal sensor. Contact
the customer service.
Weak luminosity of the
display.
Possibility of a bad contact.
Check thermostat wirings.
Refer to the installation
section.
N.B. If you are unable to solve the problem after having
verified these points, please communicate with our
customer service. Consult our website for the phone
numbers.
