Owner's Manual
Page 21
...; Make sure heating & cooling power switches are on . • Make sure furnace door is closed . • Wait 5 minutes for the system to respond. 19 Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling.... Make sure the temperature is securely closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 13). In case of difficulty RTH3100C If you have difficulty with your thermostat, please try the following suggestions.
...; Make sure heating & cooling power switches are on . • Make sure furnace door is closed . • Wait 5 minutes for the system to respond. 19 Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling.... Make sure the temperature is securely closed securely. • Make sure fresh AA alkaline batteries are correctly installed (see page 13). In case of difficulty RTH3100C If you have difficulty with your thermostat, please try the following suggestions.