Honeywell PRO TH1110D Manual De Uso página 13

In case of difficulty
Screen is blank.
Temperature settings cannot be
changed.
Cool On or Heat On is flashing.
HI appears on the screen.
LO appears on the screen.
E1 appears on the screen.
E2 appears on the screen.
• Check circuit breaker and reset if necessary.
• Ensure the heating/cooling system is powered up.
• Ensure the furnace door is properly closed.
• Ensure two fresh AAA alkaline batteries are correctly installed.
• You are setting the temperatures outside their allowable ranges:
• Heat: 40 °F to 90 °F (4.5 °C to 32 °C).
• Cool: 50 °F to 99 °F (10 °C to 37 °C).
• The pump protection delay has been activated. Wait for the delay
to end (maximum of 5 minutes).
• The ambient (measured) temperature is above 122 °F (50 °C).
• The ambient (measured) temperature is below 32 °F (0 °C).
• The temperature sensor circuit is opened. Replace the thermostat.
• The temperature sensor circuit is shorted. Replace the thermostat.
9
PRO TH1000 Series