STELPRO STE402NP Smart Electronic Thermostat User Guide
4. Troubleshooting
Problem
Solution
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.
The thermostat is hot.
Check if the thermostat is properly connected. Refer to the
installation section.
Heating is always on.
Heating does not run even if the
thermostat indicates it is on.
Check if the thermostat is properly connected. Refer to the
installation section.
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 does not come on.
The thermal protection of the heating unit has opened due
to overheating. Check if the heating unit is in good condition
minutes and then turns on again. of operation and that clearance around the appliance is
The display turns off a few
according to the manufacturer’s specifications.
The display has low contrast
when heating is on.
The load is lower than the minimum load. Install a heating
unit that is within the load limits of the thermostat.
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.
Weak luminosity of the display.
Faulty thermal sensor. Contact the customer service.
Possibility of a bad contact. Check thermostat wirings. Refer
to the installation section.
9
INSSTE402NP0711
| General | Details |
|---|---|
| Name | STELPRO STE402NP Smart Electronic Thermostat User Guide |
| Make | StelPro |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.28 MB |
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