Norcold 1200 series Service Manual

Also see for 120-IM series: Service manual

Contents

Norcold 1200 series Service Manual Manual pdf 53 page image

50 www.norcold.com/cda1200XX/120X-IMXX Models Refrigerator Service ManualScreens and Diagnostic Segments InformationScreen Erase Fault HistoryScreen 6 provides a way to erase fault history frommemory. To erase fault history:1. Press and hold the TEMPSETbutton when showson the screen.2. Release the button when shows on thescreen.3. Wait five seconds.4. Press and hold the TEMPSETbutton until showson the screen.Press the MODEbutton to bring up screen 7.Screen LED Segments Reliability CheckScreen 2 diagnostics continue to confirm the reliability ofthe display. After a few seconds only the ON lightdisplays. All other LED segments should be off. Seeillustration.Screen Diagnostic Mode ActiveScreen 1 confirms that the Diagnostic Mode is active. Afew seconds after the screen number appears, all LEDsegments light. See illustration.Screen Thermistor Fin TemperatureScreen 3 displays the actual fin temperature beingsensed by the thermistor. This is not the fresh foodcabinet air temperature. The illustration shows 32°Ffin temperature as displayed in screen 3.Screen Stored Fault HistoryScreen 4 displays stored fault history using lighted LEDsegments. The illustration provides fault historyinformation with assigned LED segments . If a faultoccurred, its assigned fault history LED will be on.Screen Stored Fault HistoryScreen 5 also displays stored fault history using lightedLED segments. The illustration provides fault historyinformation with assigned LED segments . If a faultoccurred, its assigned fault history LED will be on.If the screen segments do not match the ones shown inthe illustration, the fault is in the optical controlassembly. Replacing the optical control should resolvethe fault. See page 41.Press the MODEbutton to bring up screen 2.The ON light should be the only LED displayed. If anyother LED displays, the fault is in the optical controlassembly. Replacing the optical control should resolvethe fault. See page 41.Press the MODEbutton to bring up screen 4.Press the MODEbutton to bring up screen 5.Press the MODEbutton to bring up screen 6.Press the MODEbutton to bring up screen 3.= 32°FON LightFlame sense failure125 6Thermistor failure.AC voltage lowAC voltage highScreenNumberDC voltage highAC relay stuck closedDoor ajar12 3745 6DC voltage lowAC heater failed openAC mode selectedbut not availableIgnition faultScreenNumber