Curtis Gemini 12D Series - Troubleshooting Common Issues; Safety Warnings for Troubleshooting; Valve Test Procedure; Water Not Hot Enough Diagnosis

WARNING:
Electric Shock Hazard - UIFGPMMPXJOHQSPDFEVSFTBSFUPCFQFSGPSNFEPOMZCZBRVBMJmFETFSWJDFUFDIOJDJBO
%JTDPOOFDUQPXFSXIFOSFQMBDJOHDPNQPOFOUT-PDLPVUBOEUBHUIFDJSDVJUCSFBLFS/FJUIFS8JMCVS$VSUJT
$P*ODOPSUIFTFMMFSDBOCFIFMESFTQPOTJCMFGPSUIFJOUFSQSFUBUJPOPGUIJTJOGPSNBUJPOPSBOZMJBCJMJUZJO
DPOOFDUJPOXJUIJUTVTF
Scald and Burn Hazard -LFFQCPEZQBSUTDMFBSPGIPUTVSGBDFTEVSJOHUSPVCMFTIPPUJOH
Troubleshooting Guidelines
• "CSFXFSUIBUJTOPUMFWFMNBZOPUGVODUJPOQSPQFSMZ.BLFTVSFUIFCSFXFSJTQSPQFSMZMFWFMFECFGPSF
QSPDFFEJOH
• 5IJTUSPVCMFTIPPUJOHHVJEFJEFOUJmFTTPNFCVUOPUBMMPGUIFQPTTJCMFDBVTFTGPSDPNNPOQSPCMFNTUIBUDBO
PDDVS
• Use this troubleshooting guide along with the appropriate ELECTRICAL SCHEMATIC.
Valve Test Procedure
6TFBEJHJUBMNVMUJNFUFSUPNFBTVSFUIFSFTJTUBODFPGWBMWFDPJMT
.FBTVSFUIFSFTJTUBODFBDSPTTUIFWBMWFDPJMUFSNJOBMTXJUIUIFXJSJOHIBSOFTTEJTDPOOFDUFE3FWFSTFUIFNFUFS
MFBETPOUIFUFSNJOBMTBOENFBTVSFUIFSFTJTUBODFJOUIFPQQPTJUFEJSFDUJPO"SFTJTUBODFPGMFTTUIBOPINT
in either directionJOEJDBUFTBTIPSUFEDPJM5IFWBMWFNVTUCFSFQMBDFE
*GBTIPSUFEDPJMJTOPUEFUFDUFEUFTUGPSBOPQFODPJM
 3FDPOOFDUUIFWBMWFUFSNJOBMTUPUIFXJSJOHIBSOFTT
2 1PXFSVQUIFCSFXFSXJUIUIFBQQSPQSJBUFDPWFSSFNPWFEUPBMMPXBDDFTTUPUIFWBMWF
3 3VOBCSFXDZDMFXIJMFNPOJUPSJOHUIFWPMUBHFBUUIFWBMWFDPJMUFSNJOBMT*GWPMUBHFJTQSFTFOUPOUIFUFSNJOBMT
ZPVTIPVMEIFBSUIFWBMWFDMJDLPQFODMPTFEBUUIFNPNFOUQPXFSJTBQQMJFEPSSFNPWFEGSPNUIFUFSNJOBMT5IF
JOMFUWBMWFTIPVMEPQFOBOZUJNFUIFXBUFSUBOLJTOPUGVMM*GUIFWBMWFEPFTOPUPQFOSFQMBDFUIFWBMWF*GWPMUBHF
JTOPUEFUFDUFEmSTUDIFDLUIFXJSJOH*GUIFXJSJOHJT0,SFQMBDFUIFDPOUSPMCPBSE
Water Not Hot Enough
 *GUIFXBUFSIFBUTCVUJTOPUIPUFOPVHImSTUDIFDLGPSUIFDPSSFDUUFNQFSBUVSFTFUUJOHTFFUIFPROGRAMMING
GUIDETFDUJPO3FQSPHSBNBTOFDFTTBSZ
2 *GUIFUFNQFSBUVSFTFUUJOHJT0,BOEUIFBDUVBMXBUFSUFNQFSBUVSFEPFTOPUNBUDIUIFTFUUJOHPOUIFDPOUSPMCPBSE
replace the temperature sensor

Water Heats More Slowly Than Usual
 $IFDLGPSQPXFSBDSPTTUIFUFSNJOBMTPGUIFIFBUJOHFMFNFOUT*GQPXFSJTCFJOHTVQQMJFEEJTDPOOFDUUIFIFBUJOH
FMFNFOUTBOEDIFDLGPSDPOUJOVJUZ3FQMBDFBIFBUJOHFMFNFOUJGUIFSFTJTUBODFJTUPPIJHIOPNJOBMSFTJTUBODFJT
0INT
2 *GUIFSFJTOPQPXFSUPUIFIFBUJOHFMFNFOUTDIFDLUIFXJSJOHUPBOZFMFNFOUUIBUEPFTOPUIBWFUIFQSPQFS
WPMUBHFBDSPTTJU"MTPDIFDLGPSDPSSPEFEDPOOFDUJPOTBOZXIFSFCFUXFFOUIFQPXFSDPSEBOEUIFIFBUJOH
FMFNFOUT
TROUBLESHOOTING GUIDE TG15
(&.%#3&8&35306#-&4)005*/((6*%&       ø #
IMPORTANT: *GJUJTOFDFTTBSZUPSFQMBDFUIFDPOUSPMCPBSEalwaysDIFDLallJOMFUBOEEVNQCSFXWBMWF
DPJMTGPSBTIPSUBOESFQMBDFUIFWBMWFBTOFDFTTBSZCFGPSFSFQMBDJOHUIFDPOUSPMCPBSE4FFUIFValve Test
ProcedureCFMPXUPUFTUGPSEFGFDUJWFWBMWFT