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8. Error mode – indicates an unexpected battery problem. The
screen will ash an ERR message and shut your system off until
the batteries are replaced with new AA alkaline batteries. You
must Reset and reprogram the thermostat after replacing the
batteries if the thermostat has entered Error mode.
9. Auto cut off – automatically turns the system off if the
temperature rises above 95
o
F (35
o
C) or drops below 40
o
F (4
o
C).
(If your HVAC system has malfunctioned, the system will no longer
respond to thermostat controls and the Auto cut off will have no effect.)
icons and features, cont.