Troubleshooting Guide, Symptom Possible Cause Action | Trane XT300C

TROUBLESHOOTING GUIDE

Symptom	Possible Cause		Action

Display does not come	Thermostat is not being		Check if the thermostat is mounted and latched on the
on.	powered.		wallplateÑmount and latch the thermostat on the
			wallplate.
			Check if the circuit breaker is trippedÑreset the circuit
			breaker.
			Check if the fuse is blownÑreplace the fuse.
			Check if the system switch at the equipment is in the Off
			positionÑset to the On position.
			Check wiring between thermostat and HVAC equipmentÑ
			replace any broken wires.
			If 24 Vac is present, proceed with troubleshooting.

Temperature setting	The upper or lower temperature		Check that the temperature setpoints are:
does not change	limits were reached.		Heating: 55 to 85°F (13 to 29°C)
(Example: cannot set the			Cooling: 65 to 99°F (18 to 37°C).
heating higher or the
cooling lower).

			(continued)
			Pub. No. 22-5127-04
		59		69-1214

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Trane XT300C, XT302C manual Troubleshooting Guide, Symptom Possible Cause Action

Contents

XT300C shown XT300C, XT302C Deluxe Programmable Heat-Cool Thermostats Table of Contents Programming Your Thermostat Pub. No Program Options Set-Up by Your Trane Dealer Customizing Your Thermostat Pub. No Getting around the Keyboard Pub. No -5127-04 Features Comfort-R Comfort Enhancement System Features Youõll Want to Know More about Recovery indication shown in example above Adaptive Intelligent Recovery ControlYour Thermostat Senses Temperature More Like You Do Optimum Comfort Energy Savings Solution Pub. No 69-1214 Changing Temperature Setting Until the Next Schedule Period Neat Stuff Youõll be Using OftenSetting Temporary Temperatures Temporary Press Hold Temp once Changing Temperature Setting Indefinitely Cool Press Increase or Decrease to adjust temperature settings Vacation Mode Hold for Fri Days Heat Wake M17039 Pressed the wrong key? Want to start over? Information Key Displaying Outdoor Temperature Displaying Current Settings Filter Indication Press Filter to enter the Filter mode Setting or Resetting Filter Indication Timer Run Program Clock Setting Current Day and TimeProgramming Your Thermostat Press Set Current Day/Time Press Time or Time until the current time displays Set Fan Setting System and FanSet System Day Preprogrammed Schedule Day Program and Operation Day Preprogrammed Schedule Customizing Your Own 7-Day Schedule Word About Power Outages Instructions Your 7-Day Schedule An Extra 7-Day Schedule Press Wake Programming the First Day M17057 M17059 Set Program Leave Return Sleep Copying a Day Press Wake, Leave, Return or Sleep to enter program mode Press Copy Copy Run Program Clearing Schedule Period Press Leave, Return or Sleep to enter program mode For 7-Day Operation, press Day until Run Program Hour Preprogrammed Schedule Hour Program and Operation Customizing Your Own 24-Hour Schedule An Extra 24-Hour Schedule Programming Your 24-Hour Schedule Press Wake M17071 MonTueWedThuFriSatSun Cool Wake Fan M17073 Setting Temperature and Fan Operation Constant Temperature Setpoint Programming Setting Heat Setting Cool Symptom Possible Cause Action Troubleshooting Guide Wait Troubleshooting Guide Flame=heat Fan when the equipment has Registers Definitions Adaptive Intelligent Recoveryª ModesConventional Recovery Conventional Recovery Modes System Preprogrammed SchedulePeriod Setpoint Hour Operation Hour Preprogrammed Schedule Day Operation Index Low Voltage Room Thermostats Limited Warranty Customer Assistance