Owner's Manual
Page 53
... and reprogram the thermostat after replacing the batteries if the thermostat has entered Error mode. 9. The screen will no effect.) 53 indicates an unexpected battery problem. automatically turns the system off if the temperature rises above 95o F (35o C) or drops below 40o F (4o C). (If your HVAC system has malfunctioned, the system...
... and reprogram the thermostat after replacing the batteries if the thermostat has entered Error mode. 9. The screen will no effect.) 53 indicates an unexpected battery problem. automatically turns the system off if the temperature rises above 95o F (35o C) or drops below 40o F (4o C). (If your HVAC system has malfunctioned, the system...