20 of 24© 2011 D 538e - 02/11
Error Message Description
FLOOR SENSOR SHORT CIRCUIT
The auxiliary floor sensor has a short circuit. Check for damaged wires. Locate and repair the
problem as described in the Data Brochure D079e.
Error clears once the floor sensor fault is corrected.
FLOOR SENSOR OPEN CIRCUIT
The auxiliary floor sensor has an open circuit. Check for loose or damaged wires. Locate and repair
the problem as described in the Data Brochure D079e.
Error clears once the floor sensor fault is corrected.
If the floor sensor was intentionally removed, locate the Room Sensor setting in the Adjust menu
and set to On. Power the thermostat down and up to clear the error.
OUTDOOR SENSOR SHORT CIRCUIT
The auxiliary outdoor sensor has a short circuit. Check for damaged wires. Locate and repair the
problem as described in the Data Brochure D 070e.
Error clears after the outdoor sensor fault is corrected.
OUTDOOR SENSOR OPEN CIRCUIT
The auxiliary outdoor sensor has an open circuit. Check for loose or damaged wires. Locate and
repair the problem as described in the Data Brochure D 070e.
Error clears once the outdoor sensor fault is corrected.
If the outdoor sensor was intentionally removed, power the thermostat down and up to clear the
error.
Error Messages (3 of 4)
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