Honeywell PRO 1000 User Manual download pdf (Page 13)

PRO 1000 Series

ENGLISH

In case of difficulty

Screen is blank. • 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.

Temperature settings cannot be

changed.

•The System switch is off.

• 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).

Cool On or Heat On is flashing. • The compressor protection delay has been activated. Wait for the

delay to end (maximum of 5 minutes).

HI appears on the screen. • The ambient (measured) temperature is above 122 °F (50 °C).

LO appears on the screen. • The ambient (measured) temperature is below 32 °F (0 °C).

E1 appears on the screen. • The temperature sensor circuit is opened. Replace the thermostat.

E2 appears on the screen. • The temperature sensor circuit is shorted. Replace the thermostat.

400-626-002-D (69-1971EFS-03 non-prog TH1110D_TH1210D user manual).book Page 9 Thursday, April 16, 2009 3:29 PM

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Honeywell PRO 1000 User Manual Page 13