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

Page 59

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

Image 59

Contents XT300C shown XT300C, XT302C Deluxe Programmable Heat-Cool ThermostatsTable of Contents Programming Your Thermostat Pub. No Program Options Set-Up by Your Trane Dealer Customizing Your ThermostatPub. No Getting around the Keyboard Pub. No -5127-04 Features Comfort-R Comfort Enhancement System Features Youõll Want to Know More aboutRecovery 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 IndefinitelyCool 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 TemperatureDisplaying Current Settings Filter Indication Press Filter to enter the Filter mode Setting or Resetting Filter Indication TimerRun 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 OperationDay Preprogrammed Schedule Customizing Your Own 7-Day Schedule Word About Power OutagesInstructions Your 7-Day Schedule An Extra 7-Day Schedule Press Wake Programming the First DayM17057 M17059 Set Program Leave Return Sleep Copying a Day Press Wake, Leave, Return or Sleep to enter program modePress Copy Copy Run Program Clearing Schedule Period Press Leave, Return or Sleep to enter program modeFor 7-Day Operation, press Day until Run Program Hour Preprogrammed Schedule Hour Program and OperationCustomizing Your Own 24-Hour Schedule An Extra 24-Hour Schedule Programming Your 24-Hour SchedulePress Wake M17071 MonTueWedThuFriSatSun Cool Wake Fan M17073 Setting Temperature and Fan Operation Constant Temperature Setpoint ProgrammingSetting Heat Setting Cool Symptom Possible Cause Action Troubleshooting GuideWait Troubleshooting GuideFlame=heat Fan when the equipment has Registers Definitions Adaptive Intelligent Recoveryª ModesConventional Recovery Conventional Recovery Modes System Preprogrammed SchedulePeriod SetpointHour Operation Hour Preprogrammed Schedule Day Operation IndexLow Voltage Room Thermostats Limited WarrantyCustomer Assistance

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