Service manual

7
General Instructions
thecontrol,touchanykeyandthedegreesymbol
willbegintoash
To exit this mode: Ifusingsoftwareversion2.8,
thismodewillexitautomaticallywhentheunitis
unplugged.Ifusongsoftwareversion2.9,thismode
needstobeexitedbythesamekeycombinationas
usedtoenterthemode.
Service Mode
Thismodehas27differentoptionsavailablefor
servicediagnostics.Toenterthemodeholdthe
WARMERkeyandpresstheLIGHTbuttonthree
times.Thedisplaywillshow“0’andtheboardwill
beeponce.WheninthismodetheWARMERand
COLDERkeyswillactasupanddownarrowsto
selectthedesiredoption.TheLIGHTkeyisthe
ENTERkeyandwillenterafunction.Toexitthe
ServiceMode,scrolltooption99andpressthe
LIGHTkey.Afterveminutesofnottouchingany
keysthemodewillalsoexitautomatically.
Blackout / Sabbath Mode
Thismodeallowsforobservationofholidayson
whichlightscannotbeactivated.HoldtheLIGHT
keyfor10secondsuntilthe°Fstartsashing.
Whenreleased,theunitwillbeeponceandthe
displayandcabinetlightwillshutoff.Tocancelthis
mode,holdtheLIGHTkeyagainforabout10-12
seconds.
Clean Cycle
Toentertheselfcleaningcycle,holdtheON/OFF
keyandpresstheLIGHTbuttonthreetimes.The
unitwillbeeponceandthedisplaywillshowCL.
Followthecleaninginstructions.Attheconclusion
ofthismode(1hour),thedisplaywillrevertto
setpointandtheunitwillresumenormaloperation.
Tocancelthismode,turntheunitoffviathe
keypad.
Ice Maker Off Mode (not available)
Force Harvest
Thismodecanbeusedtoforceicetoharvestfrom
themold.Toenterthismode,holstheLIGHTkey
andpresstheUParrowthreetimes.Theunitwill
initiateaniceharvest.Thereisnoaudibletone
whenenteringthismode.
Forced Defrost
Thiswillallowtheunittodefrostquickly.ForRand
WCunits,thisisjustanoffcycle.Forunitswithhot
gasdefrost,theunitwillenterahotgasdefrostper
thespecication.HoldtheLIGHTkeyandpress
ON/OFFthreetimes.Theunitwillbeeponcewhen
enteringthismode.Toexitthismode,eitherdothe
samekeycombinationorturntheunitoffviathe
keypad.
Ice Thickness Adjust
Thiswillallowadditionorsubtractionofuptove
minutesfromtheice-makingcycle.Toenterthis
mode,holdtheUParrowandpresstheDOWN
arrowthreetimes.Theunitwillbeeponceand
displaythecurrenticethickness.Usethearrows
toadjustupordown.PressLIGHTkeywhen
completed.Pleaserefertotheicethicknesssection
ofthemanualtoviewpropercubesizesand
recommendations.
Temporary Shutdown / Office Mode
Insomecasesitmayberequestedfortheunitto
beshutdownforshortperiods,duringmeetings
forexample.TodothisholdtheDOWNarrowand
presstheUParrowthreetimes.Theunitwillbeep
onceanddisplayOFFonthedisplay.Thismode
canbecanceledbyremovingpowerfromthe
unitorturningitonviathedisplay.Themodewill
automaticallybechangedbacktoONafterthree
hours.
Relay Status
Toseewhichrelaysareoperating,holdtheDOWN
arrowandhitON/OFFthreetimes.Theunitwill
scrollthroughallrelaysanddisplaywhether
theyareonoroff.Seespecicunitsectionfor
explanation.