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Display
Display
Display
Displayand
and
and
andalarm
alarm
alarm
alarm
Uponconnectingtothepowersupply,thefreezerwillbeonandthedisplayscreen
willshowthefreezer
’
sinternaltemperature.
Promptsfortheworkingstateofdisplaypanel:
“Lock”indicator:iftheindicatorlightsup,itmeansthatallkeysarelockedto
avoidmisoperation.
“Alarm”indicator:iftheindicatorlightsuporflashes,itmeansthatafaultoccurs.
Functionsofkeys:
Cancelbuzz:inthelockedorunlockedstate,pressthe“Cancelbuzz”keyatthe
timeofalarm,thealarmsoundwillbecancelledandthevisualalarmwillnotbe
cancelled.
Alarmtest:itisusedtotestnormalworkingstateofthealarmsystemandlow
batterychargelevel.Intheunlockedstate,pressthiskey,alltheindicatorswilllight
up,thebuzzerwillgiveanalarmandalldigitaltubesdisplay“8”.Inthelockedstate,
pressthiskeyatthetimeofalarm,correspondingfaultalarmcodewilldisplay.
Pleaseidentifythefaultcausesaccordingtothetablebelow.
AlarmStateFault
code
IndicationBuzzer
High
temperature
alarm
Whentheinternal
temperatureishigher
thanthesettemperature
forhightemperature
alarm
E9Theindicator
flashes
Whenthefreezeris
turnedonforthefirst
time,thebuzzeralarm
functionisactivated
after5hoursaccording
tothedefaultsettings;in
normaloperation,the
buzzalarmisgivenafter
15min
Low
temperature
alarm
Whentheinternal
temperatureislower
thanthesettemperature
forlowtemperature
alarm
E10Theindicator
flashes
Power-dow
nalarm
Power-downofthe
freezer
/Thealarm
indicator
flashes;black
screenand
actualinternal
temperature
showalternately
thebuzzalarmisgiven
after30s
Over-high
ambient
temperature
Ambienttemperature
above38℃
E14Theindicator
flashes
Abnormal
sensor
Internalmainsensorat
fault
E6Theindicator
flashes
Buzzalarm
Ambienttemperature
sensoratfault
E0Theindicator
flashes
Low
battery
charge
level
Insufficientbattery
chargeorthebattery
switchisnoton
E5Theindicator
flashes3times
Note:Ifseveralalarmssoundsimultaneously,eachfaultcodedisplays3s.
Display
Display
Display
Displayand
and
and
andalarm
alarm
alarm
alarm
Note:
Alwaysturnonthebatteryswitchbeforestartingthefreezer.Thefreezerwillenter
normalworkingstateandchargethebatteryuponconnectingtoanACpowersupply
meetingitsrequirements.IncaseofACpowerfailure,thebatterywillenergizethe
displayscreenfornormaldisplay.Whenthevoltageofbatteryreducestolessthana
specifiedvalueduetodischarge,itwillstopenergizingthedisplayscreenandthus
thedisplayscreenwillnotdisplayanylonger.Whenthebatteryisabletosupply
electricitynormally,tocompletelycutoffthefreezer
’
spowersupply,justpulloutits
ACpowercordandturnoffitsbatteryswitch.Thenthedisplayscreenwillnot
displayanylonger.
Time
Time
Time
Timesetting
setting
setting
settingfor
for
for
forautomatic
automatic
automatic
automaticalarm
alarm
alarm
alarmrecovery
recovery
recovery
recovery
Atthetimeofalarm,pressthe“Cancelbuzz”keyonthedisplaypanel,buzzalarm
willbecancelled(remotealarmwillnotbecancelled).
Ifalarmconditionsremain,thebuzzalarmwillautomaticallyrecoverafterapauseof
30min.
Remote
Remote
Remote
Remotealarm
alarm
alarm
alarmterminals
terminals
terminals
terminals
Theremotealarmterminalsarelocatedinthecompressorcompartmentatthebackof
freezer.AlarmsignalsaresentbytheseterminalswithcarryingcapacityofDC
30V,
2A.
Contactoutput:
Innormalconditions,bothendsofconnectingwireofremotealarmterminalsare
opencircuit.Inalarmconditions,bothendsofconnectingwireofremotealarm
terminalsareclosedcircuit.
Tousetheremotealarmfunction,connectthecircuitasshowninthefigurebelow.
Note:Theremotealarmfunctionislimitedtothreealarmmodes-hightemperature
alarm,lowtemperaturealarmandpower-downalarm.