
9 Fault Recognition and Rectification
9.1 Basic instructions
1. Do not attempt fault rectification measures other than those given in this manual.
2. Inform KAESER Service if the fault cannot be removed by the action suggested.
Further information Observe the instructions in chapter "Safety" and prevailing local safety regulations when rectifying
faults and malfunctions.
9.2 SIGMA CONTROL MOBIL messages
There are three types of message:
■ Alarm messages, see chapter 9.2.1
■ Warning messages, see chapter 9.2.2
■ Maintenance messages, see chapter 10.2
The messages valid for your machine are dependent on the controller factory settings and individual
equipment with which the machine is provided.
9.2.1 Alarm messages on the controller (machine off)
Alarm with automatic machine shut-down function.
The «Acknowledge» key flashes. The «Information» key and «Stop» key are illuminated.
Message code range 1100 – 1199 “engine faults”
Code Meaning
Remedy
See
chapter
Where can I get help?
Specialised
workshop
KAESER
Service
1100 Oil pressure fault.
Check the engine oil level.
–
–
Have the engine oil pres‐
sure checked.
–
X
–
Have the oil pressure
switch checked.
–
X
X
1101 Oil pressure sensor defec‐
tive.
Have the sensor changed.
–
X
X
1110 Coolant temperature high. Check the coolant level.
–
–
Clean the radiator.
–
–
Check the cooling system.
–
X
X
1111 Coolant level too low.
Check the coolant level.
–
–
1112 Coolant temperature sen‐
sor defective.
Have the sensor changed.
–
X
X
1120 Turbo air pressure too
high/low.
Have the turbo air pres‐
sure sensor checked.
–
X
X
9
Fault Recognition and Rectification
9.1
Basic instructions
No.: 9_6975 00 E
Service Manual Screw Compressor
M135 SIGMA CONTROL MOBIL
85