INSSTE2411014
14
Problem
DeFeCTIVe PArT or PArT To CHeCK
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 come on
• Check if the thermostat is properly
connected. Refer to the installation
section. Check the power supply at the
electrical panel. Check if the heating
unit has a switch. If so, ensure that this
switch is turned on.
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.
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.
troubLeshooting