Possible faults Causes Possible remedies
Contamination indica‐
tor of the double
change-over filter trig‐
gers an alarm
Double change-over filter clogged
● Changeover the double change-over filter corresponding
to the separate operating instructions
● Clean the filter element
Water in the oil Oil supply system or cooling coil de‐
fective
● Check the oil supply system or cooling coil
● Replace defective components if necessary
● Read the operating instructions for the oil supply system
Engine room fan is blowing cold air
onto gear unit: Water condenses
● Install suitable thermal insulation to protect gear unit
housing
● Close the air outlet or change the direction of the air outlet
using structural measures.
Climatic conditions
● Contact Customer Services
● Use wet-air filter if necessary
Oil foams in the oil sump
● Take test tube sample to examine oil condition for water
penetration
● Have the oil examined by a chemical lab
Servicing
8.4 Possible faults
Gear unit 5118en
Operating Instructions 10/2017 95
To Next Page