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Section C - Electronic Control System
Firmware Versions
Test 34 - What software is on the
control boards.
NOTE
TheAmbientThermistorismountedonandpart
ofthelowercontrolboard.
NOTE
Itisnormalforthecontroltocountupinseconds
aftertestingiscompleteduntilthetestmodelis
canceled.
PowerFailurelightwillcomeonaftertestingis
canceled,thisisnormal.
Manual Defrost
Toenterthemanualdefrostmodepressandhold
theFFupandFFdownatthesametimefor6
secondsthiswilladvancethecontrolintoa
normaldefrostcycle.
Show Room Mode
ToentertheShowRoomModepressandholdthe
FreshFooddownandtheFreezeruppadatthe
sametimefor6seconds.Apoweronreset(POR)
willbenecessarytoexittheShowRoomMode.
NOTE
APORmeansyouunplugtheproductforthree
minutesandthenplugitbackinagain.
Iftheservicemodeisactivatedwhiletheproduct
isintheshowroommodethiswillcancelthe
ShowRoomModeandtheproductwillenter
ServiceMode.AfterexitingServiceModelthe
productwillgointonormaloperationmodenot
backintoShowRoomMode.
IftheManualDefrostisactivatedwhilethe
productisintheshowroommodethedisplays
willworkasnormalbuttheheaterwillnotturnon.
NOTE
34isthelasttest.34willnotshowinthedisplay.
1- SystemParameters
Exampleofwhatwillshowindisplayone
letteratatime:JFE000112
2- Cormingthelowercontrolboard
Exampleofwhatwillshowindisplayone
letteratatime:00004049
3- Thesoftwareonthelowercontrolboard
Exampleofwhatwillshowindisplayone
letteratatime:JFE401N(NlookslikeanH
inthedisplay)
4- Conrmingtheuppercontrolboard(UIuser
innerfaceboard)
Exampleofwhatwillshowindisplayone
letteratatime:EFAC000N(NlookslikeanH
inthedisplay)
5- ThesoftwareontheUIboard
Exampleofwhatwillshowindisplayone
letteratatime:EF_C0009E