Bard WH381 Installation Instructions Manual

Manual 2100-342IPage 20 of 24SOLID STATE HEAT PUMP CONTROLTROUBLESHOOTING PROCEDURE1. NOTE: A thorough understanding of the defrostcycle sequence is essential. Review that sectionearlier in this manual prior to troubleshooting thecontrol. Turn on AC power supply to unit.2. Turn thermostat blower switch to “fan on” – theindoor blower should start. (If it doesn’t,troubleshoot indoor unit and correct problem.)3. Turn thermostat blower to “auto” position. Indoorblower should stop. NOTE: Many models have a1-minute blower time delay on “off” command;wait for this to time-out.4. Set system switch to “heat” or “cool”. Adjustthermostat to call for heat or cool. The indoorblower, compressor and outdoor fan should start.NOTE: If there was no power to 24 volt transformer,the compressor and outdoor fan motor will not start for5 minutes. This is because of the compressor shortcycle protection.TROUBLESHOOTINGTABLE 5TROUBLESHOOTINGmotpmyS sesuaCelbissoP riapeR/kcehCotwoH&tahWlliwrosserpmoCgnitaeh(tratston)gniloocroCotRmorfV42rofkcehClortnocpmuptaehehtnotupniremrofsnartkcehcdnaremrofsnartotdraobmorfgniriwkcehc,RtatneserptonsiV42fIecalperdnaesuacenimreted,tuptuoV42onsahremrofsnartfI.egatlovtuptuodna.remrofsnartCotYmorfV42rofkcehCpirtslanimretegatlovwolno)deppiuqefi(tatsomrehtroodtuo,gniriwtatsomrehtdnatatsomrehtkcehc,tneserptonsiV42fIoteunitnoctneserpsiV42fI.)sledomesahp-3emosnodesu,deppiuqefi(rotinomesahp.petstxenotCmorfV42rofkcehClortnocpmuptaehnoCCehtpmuj,tneserptonsiV42fI.rotcatnocrosserpmocecalperro/dnakcehc,tneserpsiV42fI1LotCmorfV42rofkcehctratstonseodrosserpmocfI.sdnoces01roflanimretpudeeps.lortnocpmuptaehehtnotuokcolrosserpmoC woldnahctiwserusserphgihehtkcehc,lortnocpmuptaehehtfo1LtatneserptonsiV42fItiucricytefasehT.slanimretdnagniriwdetaicossalladna)deppiuqefi(yalerssapyberusserpeht,nepoerayalerssapyberusserpwolrohctiwserusserphgihehtfI.tiucricdesolcasiotnodnafforewopelcyC.tnenopmocevitcefedecalpeR.rosserpmocehttuokcollliwlortnoc.yaledemitetunim-5edirrevootsdnoces01rofslanimretpudeepspmuJ.tuokcolteserlortnocpmuptaehevitcefeD neebsahyaledemiteht,lortnocpmuptaehehtno1LotCdna,YotCmorftneserpsiV42fI.lortnocpmuptaehehtecalper,CCtatneserpsiV42ondnaderipxeroneddirrevorotomroodtuonaFnurtonseodgnitaehrognilooc(gnirudtpecxe)tsorfedevitcefedlortnocpmuptaeH )CN-moC(.lortnocpmuptaehnoyalernafssorcakcehC.lortnocpmuptaehecalpeRevitcefedrotoM .rotomecalpeR.gnidniwrotomdetrohsroneporofkcehCevitcefedroticapacrotoM .roticapacecalpeR.roticapacdetrohsroneporofkcehC.gnitarroticapackcehCevlavgnisreveRezigrenetonseod)ylnognitaeh(evitcefedlortnocpmuptaeH .C-BdnaC-VRneewtebV42rofkcehC.gniriwtiucriclortnockcehC.1lortnocpmuptaehecalpeR.2dionelosevlavgnisreveRevitcefedlioc.liocdetrohsroneporofkcehC.liocdionelosecalpeRogtonlliwtinUtsorfedotni)ylnognitaeh(taehrorosneserutarepmeTevitcefedlortnocpmupNES"dnaslanimret"PUDEEPS"ssorcarepmujdnadraobmorfrosneserutarepmettcennocsiD.etunimenonihtiwelcyctsorfedahguorhtogottinuehtesuacdluohssihT.slanimret"PMJ.rosneserutarepmetecalper,elcyctsorfedhguorhtseogtinufI.1.lortnocpmuptaehecalper,elcyctsorfedhguorhtogtonseodtinufI.2emoctonlliwtinUtsorfedfotuo)ylnognitaeh(taehrorosneserutarepmeT.evitcefedlortnocpmup.lanimret"PUDEEPS"ssorcarepmuJ.etunimenonihtiwtsorfedfotuoemocottinuehtesuacdluohssihT.rosneserutarepmetecalper,elcyctsorfedfotuosemoctinufI.1.lortnocpmuptaehecalper,elcyctsorfedfotuoemoctonseodtinufI.2