13102619 03/13
Operating Instruction
Troubleshooting
Milkycolourofoil,waterdropsin
theoil.
Potentialreasons Actions
Waterincrankcase(operatingtemperatureis
notmadeduetoshortcut-intimes).
• Changetheoilimmediately.
• Retrotacrankcaseheating,ifpossible.
• Selectwarmerlocation.
• Checkcompressorsetting.
Waterincrankcase(causedbyhumidcondi-
tions).
• Changetheoilimmediately.
• Selectdrylocation.
Theoilconsumptionistoohigh.
Potentialreasons Actions
Thewrongoilhasbeenused. • Checkthetypeofoil(cf.chapter5.2“Types
ofoil”),andreplace,ifandwhennecessary.
Thepistonringsandthecylinderfaceareworn. • Replacethepistonringsandthecylinder,if
andwhennecessary.
• Checkthesuctionltercartridge,andre-
placeit,ifandwhennecessary.
The compressor is too hot. • SeeTable“Compressorturnstoohot”.
Oilescapesthroughcrankcasebreather. • Check/replacecrankcasebreather.
Airescapesthroughreliefpipewhen
thecompressorisatastandstill.
Potentialreasons Actions
Thecheckvalveisleaking. • Checkthecheckvalve,andreplace,ifand
whennecessary.
Airescapesthroughthereliefvalve
duringoperation.
Potentialreasons Actions
Thereliefvalveisdefective. • Replacethereliefvalve.