5300 2H-2C User Manual.pdf - Braeburn Systems

4 TROUBLESHOOTINGcont.4 TROUBLESHOOTINGcont.SYMPTOMThermostat does notturn on heating orcooling system.POTENTIAL SOLUTIONCheck to see if OFF is shown in display. This indicates that the system is turned off atthe thermostat. Press the system button to select HEAT or COOL mode. After thecompressor short cycle protection period expires the system should start within aminutes time.Compressor protection features may be in effect due to compressor short cycleconditions, power outages or rolling blackouts. See section 3.12 for full explanationof this feature.SYMPTOMThermostat will notfollow programsetpoints.POTENTIAL SOLUTIONCheck current time of day, day of week program settings. Make sure to verify AM/PMindicator is accurately displaying desired time settings. See Setting Current Time of Dayand Day of Week section of this manual.Check to see if OFF is shown in display. This indicates that the system is turned offat the thermostat. Press system button to select HEAT or COOL mode. After thecompressor short cycle protection period expires the system should start withinseveral seconds.Thermostat turns onheating instead ofcooling, or coolinginstead of heating.Fan runsintermittently orwhen system is off.System turns on priorto the end of asetback period.Heat pump may be malfunctioning. Review the CHECK status segment to see if it is. Ifthere is a CHECK status segment, call a professional service technician to confirm heatpump operation and provide necessary service. If heating is required, you can press thesystem button to EMER setting, which will start the Emergency Heat source to provideheating until the heat pump can be serviced.Check thermostat wiring to make sure that the heating and cooling stages are connectedto the correct terminals on the wiring terminal block. See Installer Guide, Section 6.Fan switch is in recirculate () mode.Thermostat is in Adaptive Recovery Mode – see section 3.8.Thermostat turnsheating or coolingsystem on too oftenor not often enough.System does notswitch from Heatingto Cooling.Verify your program setpoint time entries.Thermostat program has been temporarily overridden. Wait till next setpoint and thetemporary override will expire or change setpoint temperature to desired comfort level.Thermostat program is in Extended Hold (Vacation) Mode and HOLD is shown indisplay. Press HOLD button to release hold and return the thermostat to normalprogram operation.Increase or decrease first stage temperature differential setting as appropriate to providethe desired performance level. See Setting the First and Second Stage Differentialssection of this manual.Auto Changeover was not selected or enabled during installer set-up. See section 4.2 ofInstallation Guide and section 3.2 of this manual.Program temperature was changed due to dead band violation.22 23