Trane TCONT401AN21MA owner manual Trouble Shooting, UP / Down Arrow

Page 5

Trouble

-shooting

Page - 20

Pub. No. 22-5206-01

Page - 5

Pub. No. 22-5206-01

Table 2

Troubleshooting

 

 

 

Symptom

Possible Cause

Action

 

 

 

 

1. Blown fuse or tripped circuit breaker.

1. Replace fuse or reset breaker.

Display will not come on.

2. Furnace power switch OFF.

2. Turn switch to ON.

3. Furnace blower compartment door or panel

3. Replace door panel in proper position to engage safety interlock or

 

 

loose or not properly installed.

door switch.

 

 

 

Temperature display is incorrect.

Temperature display needs calibration.

Calibrate Sensor - User Setup Step 49.

 

 

 

Outdoor temperature display is

Temperature display needs calibration.

1. Calibrate Sensor - User Setup Step 50.

 

2. Disconnect sensor and check circuit resistance value - Table 4.

incorrect.

 

Outdoor sensor located in poor sensing location.

3. Relocate outdoor sensor.

 

 

 

 

Cannot set Heating setpoint

Deadband between Heating and Cooling set to high

Decrease Deadband setting - User Setup Step 42.

above 80 degrees

 

 

 

 

 

"Service" Flashing on and off.

Control EEPROM write error.

Press any key and Check / Re-enter Setup Choices.

 

 

 

"Service" solid on and "--" in

Indoor temperature sensor open or shorted

Replace Control

temperature display.

 

 

 

 

 

Outdoor temperature display

 

1. Check outdoor sensor wiring.

shows "--" and Service indicator

Outdoor temperature sensor open or shorted

2. Replace outdoor sensor.

on solid.

 

 

 

 

 

 

 

1. Upper and/or lower temperature limits were

1. Check the temperature setpoints:

Temperature setting will not

reached.

Heating limits are 40 - 85F.

change. (Example: Cannot set

 

Cooling limits are 65 - 90F.

heating higher or cooling lower).

2. "Keypad locked" is displayed on LCD.

2. Unlock keypad - press Up+Down arrow together until icon disappears.

 

 

 

UP / DOWN Arrow

- Use these keys to raise or lower the Heat or Cool Setting.

-The first key press turns on the back lighting and a border around the setting to be adjusted without changing the setting.

- Pressing the Up or Down arrow again will raise or lower the setting that has the border around it.

-If you press and hold the Up or Down arrow, the temperature setting will advance rapidly.

-When the control is set to Auto mode, pressing the Mode key once changes the position of the border to heat or cool.

Image 5
Contents XR401 Comfort Control Table Of Contents Introduction WarrantyMode Keypad FunctionsUP / Down Arrow Trouble ShootingFAN User Setup OptionsFILTER/OD Keypad NavigationUser Defined Options and Factory Default Settings See , Factory Default SettingsComfort Information Drawer FeaturesCalibrate Outdoor Temperature Wait Indicator Service IndicatorCalibrate Indoor Temperature Energy SavingsFilter Reminder Default Factory SettingsSetpoint Deadband Auto ChangeoverBacklit Display & Keys Cooling Droop

TCONT401AN21MA specifications

The Trane TCONT401AN21MA is a cutting-edge thermostat designed to optimize comfort and energy efficiency in modern HVAC systems. This model offers a range of features and capabilities aimed at enhancing user experience while ensuring maximum performance from heating and cooling systems.

One of the standout features of the TCONT401AN21MA is its intuitive interface, which includes a large, easy-to-read display and straightforward controls. This user-friendly design allows homeowners to effortlessly adjust settings, monitor temperatures, and access various functions. The smart design also incorporates backlighting, enabling visibility even in low-light situations.

The TCONT401AN21MA incorporates advanced programming capabilities, allowing users to customize heating and cooling schedules to fit their daily routines. This programmable thermostat can be set to automatically adjust temperatures based on pre-defined time blocks, significantly reducing energy consumption and lowering utility bills. Users can create up to four different daily schedules, providing flexibility and convenience.

In terms of technology, the Trane TCONT401AN21MA is equipped with state-of-the-art sensors that monitor temperature and humidity levels in real-time. This capability ensures that the system operates at optimal performance levels, maintaining a consistent indoor environment. Additionally, the unit features smart recovery technology, which enables it to intelligently adjust the temperature in anticipation of user arrival, ensuring comfort without unnecessary energy usage.

Another notable characteristic of the TCONT401AN21MA is its compatibility with a range of heating and cooling systems, including heat pumps, conventional systems, and multi-stage HVAC setups. This versatility makes it a suitable choice for various residential applications, providing homeowners with a reliable, high-performance solution.

Moreover, the thermostat is designed with energy-saving features, including a programmable fan and Eco mode, which helps minimize energy consumption without sacrificing comfort. The TCONT401AN21MA also supports humidification and dehumidification controls, ensuring that indoor air quality remains optimal throughout the year.

In summary, the Trane TCONT401AN21MA thermostat combines user-friendly design, advanced programming options, and smart technology to provide an efficient and comfortable living environment. With its compatibility with a broad spectrum of HVAC systems and emphasis on energy savings, the TCONT401AN21MA is an excellent choice for homeowners looking to enhance their heating and cooling experience.