Raypak 399B-2339B Installation & Operating Instructions Manual

TROUBLESHOOTINGStep 7Step 6Step 5Step 1Step 2Step 3Step 4Is enable/disablejumper intact (J1)?Is there a call for heat?Is there 120VAC at J8Connector on the CPW board?Do the combustion airblowers come on?Is 24VAC at present at TH (J3 & J12 on CPWboard and orange wire on ignition module)?Check flow switch, allconnectors on CPW boardand controller.Is air pressure switch(s) andJ2 of CPW board (N.O.)powered?Does F2 on ignition modulehave 120VAC?Check the fan relay. Is there120VAC at K3 relay?Is there continuity from thefan relay to fan(s)?Does air pressure switch(s)have correct pressure?(1.4” W.C.)Does igniter prove?Check Amp draw duringheat-up for 3.2 Amps orgreater.Is air switchbouncing?Call our Technical Service Department1-800-947-2975 Outside California1-800-627-2975 Inside CaliforniaReplace gas valveAre the gas valvesettings correct?Replace fan relayReplace fanReplace airpressure switchCorrect the air settings oryou may have to cleanburners, heat exchangerand/or air filter.NO Check the switchand/or line voltageYESDoes the power switchprovide power to thecontrol panel?ReattachUnit is in standby mode.YES NONOYESNOReplace ignition moduleCheck all safety limitdevices and voltage fromthe transformer to J10 onCPW board.NONOYES YESNO YESNOYESIs 24VAC at PS onignition module? Isconnecting plugsecure?NOYESYESNONOYESNOYESYESNO NO YESIs the flamesensor signal tothe ignitionmodule greaterthan 4 uA DC?YESNO NOThe unit is okayYESYES NOReadjust to 3.5” W.C.gas.Is the unit running?NOYESReplace HSIIs the unit running?NOYESClean or replace flame sensorIs static and dynamic inletmanifold gas pressure correct?Is downdraft present?46