Alfa Laval ThinkTop - Fault Finding; Fault Finding and LEDs

7Faultnding
7.1FaultndingandLEDs
TheinformationbelowexplainsthemeaningoftheLEDs'indicationsforfaultfindinginconnectionwiththeoperationof
theThinkTop.
Redflashing:Unitinsetupmodeorinternalsoftwarefault.Ifinternalsoftwarefaultispresent,
re-programmeunit.
Red
Redsteady:Unitinsetupmodeorinternalhardwarefault.Ifinternalhardwarefaultispresent,check
magnetisinrangeandcheckcorrectwiring.
YellowB
1
.
Orangeflashing:
Timeformaintenancehasexperied.Theunithasbeenself-adjustedintoamaintenance
alertcondition.Valvemaintenanceisstronglyrecommended.Aftermaintenance:Disabling
ofmaintenance/self-adjustmentfunctionisrequiredbeforesettingnewposition,however,
itisstronglyrecommendedtoperformanentirelynewsetupaftervalvemaintenance.
2
.
Orangesteady,
yellowflashing
(Aand/orB):
Theunithasbeenself-adjustedintoamaintenancealarmconditionandthefeedbackis
lost(aminimumofsealleft).Valvemaintenanceisrequired.Aftermaintenance:Disabling
oftheself-adjustmentfunctionisrequiredbeforesettingnewposition,however,itis
stronglyrecommendedtoperformanentirelynewsetupaftervalvemaintenance.
Orange
NOTE! NOTE!
NOTE!
YellowA
The The
The
maintenance maintenance
maintenance
indicator indicator
indicator
lights lights
lights
up up
up
and and
and
an an
an
open open
open
or or
or
closed closed
closed
light light
light
flashes..... flashes.....
flashes.....
=Note
thefollowing:
-Self-adjustmentprogramisonlyvalidforSRC/ARCvalves;donotusetheprogramfor
othervalvetypes.
-Usetolerance/valvetype1.
-Inconjunctionwithvalvetypechange-over;21,22,31and32,theopenposition
mustbedefinedastheuppersensorposition(whentheindicationpinisinthehighest
position).
-Aloosetop,indicationpinorsensorsystemcanalsogeneratethealert/alarmcondition.
-RemovingaThinkTopwithself-adjustactivated,willimmediatelygenerateanalarm
condition!IftheThinkTophastoberemoved-notbecauseofavalvemaintenance
issue-butforanotherreasonandyouwishtostorethedataalreadyadjusted,disable
theself-adjustfunctionbeforeremovingtheThinkTopandenableitagainoncethe
ThinkTopisbackontheactuator.
-Aftervalvemaintenanceitisnecessarytodisabletheself-adjustmentfunctionbefore
settinganewposition,however,itisstronglyrecommendedtoperformanentirelynew
setup(disableallfunctionsinstep2valvetype-andperfomanentirelynewsetup).
YellowA
Yellowsteady:
PositionA(closedvalve).
32