Device Information SELF-TEST, Checkout

DEVICE INFORMATION

1. Press Temp ▲ and ▼ keys simultaneously, then press Time ▼ to access the thermostat information.

M4934

2. Press Increase ▲ to display the production date code

in a 3-digit format. The first two digits represent the month and the third digit represents the last digit of the year (Example: 128=December 1998).

M17112

3. Press Increase ▲ again to display the software identification code.

(Example: 200 = software ID code 200)

M17113

4. Press Increase ▲ again to display the software revision number (Example: 001=Revision number 1).

M10229

5. Press the Increase ▲ again to display the model identification number. (Example: 314 = Model ID 314)

M4933A

6. Press Run Program to exit the self-test. The self-test

mode times out 5 minutes after the last key press.

Expose the outdoor temperature to outdoor air for a minimum of five minutes before reading.

Symptom	Possible Cause	Action

Display will not come	Thermostat is not being	Check for 24 Vac between R and W terminals.
on.	powered.	Check if the circuit breaker is tripped—reset the circuit breaker.
		Check if the system fuse is blown—replace the fuse.
		Check if the power switch on the HVAC equipment is in the
		Off position—set to the On position.
		Check wiring between thermostat and HVAC equipment—replace any
		broken wires and tighten any loose connections.
		If 24 Vac is present, proceed with troubleshooting.

Temperature display is	Room temperature	Enter Installer Setup number 37 and reconfigure the display.
incorrect.	display has been
	reconfigured.

	Thermostat is configured	Enter Installer Setup number 14 and reconfigure the display.
	for °F or °C display.
	Bad thermostat location.	Relocate the thermostat.

Temperature	Internal temperature	Contact distributor or retailer.
displaying digits as	measurement failure.
dashes (---).

Temperature settings	The upper or lower	Check the temperature setpoints:
will not change.	temperature limits were	Heating limits are 55 to 85°F (13 to 29°C).
(Example:	reached.	Cooling limits are 65 to 99°F (18 to 37°C).
Cannot set the	The setpoint temperature	Check Installer Setup numbers 34 and 35 and reconfigure the
heating higher or the	range stops were	setpoint stops.
cooling lower.)	range stops were	setpoint stops.
cooling lower.)	configured.
	configured.

		(continued)
Pub. No. 18-HD25D7-5

69-1213—1 (T8624)