Troubleshooting, Reset Operation | White Rodgers 37-6753B instruction

TROUBLESHOOTING

Reset Operation

Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings.

If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes. After resetting the thermostat, replace the wires and batteries. If the thermostat has been reset and still does not function correctly contact your heating/cooling service person or place of purchase.

Note: Be sure to review the installer configuration menu settings.

To reset the programming, clock and configuration settings, pressand and the SYSTEM button simultaneously. The thermostat should go blank and then all segments will be displayed momentarily.

Symptom	Possible Cause		Corrective Action

No Heat/No Cool/No Fan	1.	Blown fuse or tripped circuit breaker.	Replace fuse or reset breaker.
(common problems)	2.	Furnace power switch to OFF.	Turn switch to ON.
	3.	Furnace blower compartment door or	Replace door panel in proper position to engage safety
		panel loose or not properly installed.	interlock or door switch.
	4.	Loose connection to thermostat or system.	Tighten connections.

No Heat	1.	Pilot light not lit.	Re-light pilot.
	2.	Furnace Lock-Out Condition. Heat	Many furnaces have safety devices that shut down when a
		may also be intermittent.	lock-out condition occurs. If the heat works intermittently
			contact the furnace manufacturer or local HVAC service
			person for assistance.
	3.	Heating system requires service or	Diagnostic: Set SYSTEM Switch to HEAT and raise the
		thermostat requires replacement.	setpoint above room temperature. Within a few seconds
			the thermostat should make a soft click sound. This sound
			usually indicates the thermostat is operating properly. If
			the thermostat does not click, try the reset operation listed
			above. If the thermostat does not click after being reset
			contact your heating and cooling service person or place
			of purchase for a replacement. If the thermostat clicks,
			contact the furnace manufacturer or a HVAC service
			person to verify the heating is operating correctly.

No Cool	1.	Cooling system requires service or	Same as diagnostic for No Heat condition except set the
		thermostat requires replacement.	thermostat to COOL and lower the setpoint below the
			room temperature. There may be up to a five minute delay
			before the thermostat clicks in Cooling.

Heat, Cool or Fan	1.	Possible short in wiring.	Check each wire connection to verify they are not shorted
Runs Constantly	2.	Possible short in thermostat.	or touching together. No bare wire should stick out from
	3.	Possible short in heat/cool/fan system.	under terminal block. Try resetting the thermostat as
	4.	FAN Switch set to Fan ON.	described above. If the condition persists the manufacturer
			of your system or service person can instruct you on how
			to test the Heat/Cool system for correct operation. If the
			system operates correctly, replace the thermostat.

Thermostat Setting &	1.	Thermostat thermometer setting	The thermometer can be adjusted +/- 4 degrees. See
Thermostat Thermometer		requires adjustment.	Temperature Display Adjustment in the Configuration
Disagree			Menu section.

Furnace (Air Conditioner)	1.	The location of the thermostat and/or	Digital thermostats provide precise control and cycle faster
Cycles Too Fast or Too Slow		the size of the Heating System may	than older mechanical models. The system turns on and
(narrow or wide		be influencing the cycle rate.	off more frequently but runs for a shorter time so there is
temperature swing)			no increase in energy use. If you would like an increased
			cycle time, choose SL for slow cycle in the Configuration
			menu, step 7 (heat) or 8 (cool). If an acceptable cycle rate
			is not achieved, contact a local HVAC service person for
			additional suggestions.

Forgot Keypad			Press the menu button (button will disappear) and hold in
Lockout Code			for 20 seconds. This unlocks the thermostat.

37-6753B specifications

The White Rodgers 37-6753B is a high-performance thermostat designed to cater to the needs of both residential and light commercial applications. Recognized for its user-friendly interface and advanced features, this thermostat offers an ideal blend of functionality and sophistication.

One of the standout features of the 37-6753B is its ability to manage both heating and cooling systems effectively. It supports a wide range of HVAC configurations, including single-stage and multi-stage heat pumps, gas furnaces, and air conditioning systems. This versatility makes it an excellent choice for various settings, ensuring optimal comfort year-round.

The thermostat boasts a large, easy-to-read display that enhances usability. Users can quickly view and adjust temperature settings, making it simple to achieve their desired indoor climate. The intuitive button layout also facilitates seamless navigation through programming options and system settings.

A key technological advantage of the White Rodgers 37-6753B is its programmable capabilities. Users can create customized schedules to optimize energy use throughout the day. With the ability to set different temperature profiles for weekdays and weekends, the thermostat can significantly reduce energy consumption without sacrificing comfort.

Another notable feature is the inclusion of advanced temperature averaging technology. This feature ensures that the heating and cooling systems operate efficiently by measuring the temperature in multiple locations within a home. As a result, it can prevent hot or cold spots, leading to a more uniform indoor climate.

The 37-6753B is also equipped with a filter change indicator. This feature alerts users when it’s time to replace or clean the air filter in their HVAC system, promoting better air quality and system performance. Regular maintenance helps extend the lifespan of the heating and cooling units.

For added convenience, the thermostat can be powered either by batteries or through a C-wire connection, allowing for flexibility depending on your existing system's setup. The compact design also makes it easy to install, even for those with minimal technical expertise.

In summary, the White Rodgers 37-6753B thermostat is a technologically advanced solution for managing indoor climates efficiently. Its programmable features, temperature averaging technology, and user-friendly design make it a standout choice for homeowners and light commercial users alike, ensuring reliable temperature control and energy savings.