51Refrigerator Service Manual / Manuel d'entretien du réfrigérateur / Manual de servicio del refrigerador513163 Models / Modèles 3163 / Modelos 3163DC Voltage: 12 VDC Current Draw: .240 milliampsIs the modeselection in theGas position?Is 12 VDCpresent atinput of 1 ampfuse?Is 12 VDCpresent atoutput of 1amp fuse?Is 12 VDC presentat input of modeselection switch?Set modeselection switchto gas.Correct 12 VDCsource to fuse. Replace 1 ampfuse. Correct 12 VDC sourceto mode selectionswitch.Disconnect redwire from fan tothermostat.Disconnect redwire from modeselection switchto thermostat.Is 12 VDCpresent at fanthermostat?Is 12 VDCpresent atoutput of modeselectionswitch?Correct 12 VDCsource to fanthermostat.Replace modeselection switch.Connect the twowires together. Does fanoperate? Replacethermostat.Replace fan.Troubleshooting - Ventilation FanYES YES YES YESNO NO NO NOYESNO NONOSpecificationsTest E, cont’d - Ventilation Fan Will Not OperateTroubleshooting, cont’d.Fig. 22 - Test E - Ventilation Fan