040D05A_INSSTZW402+1215
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PROBLEM SOLUTION
The thermostat is hot
• In normal operating conditions, the thermostat housing
can reach nearly 55°C (131°F) 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.
• Check if the heating unit has a switch. If so, ensure that
this switch is turned on.
The display turns off a few
minutes and then turns on again
• The thermal protection of the heating unit has opened
due to overheating. Check if the heating unit is in
good condition of operation and that clearance around
the appliance is according to the manufacturer’s
specifications.
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 connectivity icon
is
blinking on the main screen
• Make sure the thermostat is properly associated with
the Z-Wave controller.
Setpoint and mode cannot be
changed
• The thermostat is locked, turn OFF the lock mode
N.B. If you are unable to solve the problem after having veried these points, please communicate
with our customer service. Consult our website for the phone numbers.
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