Case 621G - Page 226

7-MAINTENANCE
Cautionmasterindicator(yellow,non-critical)
Thecautionmasterindicatorisanon-criticalwarningdisplay.Seethe“Non-criticalwarnings”
table.WhenthecautionmasterindicatorisON,changetheoperatingmethod,schedulea
shutdownformaintenance,oriftheconditionpersists,contactyourdealer.
The“Non-criticalwarnings”tablelistswarningdisplaysthatmayappearontheinstrumentclusterandthecorrective
actionrequired.
NOTICE:whenafaultoccurs,anaudiblealarmmaysoundandtheCautionMasterIndicatorwillbeyellow.The
cautionmessagewillbedisplayedinthemessagearea.Ifthisoccurs,returnthemachinetoaserviceposition,and
turntheengineoff,andtakecorrectiveactiontohelpavoidexpensiverepairs.
Non-criticalwarnings
Display
Description
Correctiveaction
DEF/ADBLUE®
LevelLOW
DEF/ADBLUE®levelisless
than10%oftankvolume.
Noenginepowerlossatthis
level
FilltheDEF/ADBLUE®tank.
PoorDEF/
ADBLUE®quality
detected
PoorDEF/ADBLUE®
quality/concentration
detected.Aftertheengine
hasrunfor50minwithpoor
DEF/ADBLUE®quality,there
willbeatorqueandspeed
reduction.
Drainthetank.ReplaceDEF/ADBLUE®.
NOTE:see“DEF/ADBLUE®tankrelling”sectionforimportant
tankdraininginformation.
DEF/ADBLUE®
InjectionFailed,
PowerLimited
Technicalfailuredetected.
25%torquereductionramped
inwithin25min.Further
torque/speedreduction2h
afterinitialfaultdetectionif
faultdoesnotheal.
Contactyourauthorizeddealer.
Fuel
Lowfuel
Fillthefueltank-donotallowthetanktototallyempty.
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