Danfoss AK-CC 550 - Fault Message Reference

AK-CC 550 Manual RS8EN502 © Danfoss 02-2010 25
Fault message
InanerrorsituationtheLED’sonthefrontwillashandthealarmrelaywillbeactivated.Ifyoupushthetopbuttoninthissituationyoucanseethe
alarm report in the display.
Therearetwokindsoferrorreports-itcaneitherbeanalarmoccurringduringthedailyoperation,ortheremaybeadefectintheinstallation.
A-alarmswillnotbecomevisibleuntilthesettimedelayhasexpired.
E-alarms,ontheotherhand,willbecomevisiblethemomenttheerroroccurs.
(AnAalarmwillnotbevisibleaslongasthereisanactiveEalarm).
Herearethemessagesthatmayappear:
Code / Alarm text via data
communication
Description Alarm relay groups (P41)
A1/---Hight.alarm
High temperature alarm
1
A2/---Lowt.alarm
Lowtemperaturealarm
2
A4/---Dooralarm
Door alarm
8
A5/---Maxholdtime
The”o16”functionisactivatedduringacoordinateddefrost
16
A10/---Injectprob.
Control problem
64
A11/---NoRfg.sel.
No refrigerant selected
64
A13/---HightempS6 Temperaturealarm.HighS6 1
A14/---LowtempS6 Temperaturealarm.LowS6 2
A15/---DI1alarm DI1alarm 8
A16/---DI2alarm DI2alarm 8
A45/---Standbymode Standbyposition(stoppedrefrigerationviar12orDIinput) -
A59/---Caseclean Casecleaning.SignalfromDIinput -
A74/---ADfault Errorintheadaptivedefrostfunction 16
A75/---ADIced Evaporatorisicedup.Reductionofairow 16
A76/---ADnotdefr. Defrostofevaporatorisnotsatisfactory 16
E1/---Ctrl.error Faultsinthecontroller 32
E6/---RTCerror Changebatteryandcheckclock 32
E20/---Peerror ErroronpressuretransmitterPe 64
E23/---S1error Error on S1 sensor 4
E24/---S2error Error on S2 sensor 4
E25/---S3error ErroronS3sensor 4
E26/---S4error ErroronS4sensor 4
E27/---S5error Error on S5 sensor 4
E28/---S6error ErroronS6sensor 4
E37/---S5errorB ErroronS5Bsensor 4
---/---MaxDef.Time Defrost stopped based on time instead of, as wanted, on temperature 16
Data communication
Theimportanceofindividualalarmscanbedenedwithasetting.Thesettingmustbecarriedoutinthegroup"Alarmdestinations"
Settings from
System manager
Settings from
AKM(AKMdestination)
Log Alarm relay Sendvia
Network
Non High Low-High
High 1 X X X X
Middle 2 X X X
Low 3 X X X
Logonly X
Disabled