238-45085-00B - Bradford White

SECTION IXTROUBLESHOOTING GUIDEPROBLEM CAUSE SOLUTIONNo hot waterat faucetWater at faucettoo hotBoiler does notoperateCirculator does notoperateTemperature highlimit on thermostattrippedImproperthermostat settingor calibrationZone valve doesnot open (if used)Electrical problem(relay, wiring, etc.)Scale build-upClogged cold waterfilter or boilersupply strainer (ifused)Thermostat set toohighImproper systemplumbingImproper systemwiring32Refer to boiler installationinstructionsCheck main serviceswitchCheck fused disconnectCheck power supplyReplace as necessaryDetermine reason for trip.Depress red “RESET”button on thermostatAdjust tank thermostat toappropriate setting.See Section VIICheck power supplyReplace as necessaryCheck fuse and replaceCheck circuit breaker andreset (if applicable)Check power supplyIf boiler, circulator, andtank are operatingsatisfactorily, coil mayhave scale coating. SeeSection VIII:MaintenanceClean or replace filter orstrainerAdjust thermostat setting.See Section VIICompare plumbing toSection VCompare wiring toSection VI