KAESER KOMPRESSOREN CSD 82, Service Manual

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Event Recognition and Fault Rectification
9 --- 36
9 Event Recognition and Fault Rectification
Inform KAESER service if the event cannot be rectified by the action suggested.
Do not attempt rectifications other than those given in this manual.
The measures valid for your machine are dependant on the individual equipment.
There are three types of event:
Description Indicated by see chapter
An event that triggers an alarm (with automatic
shut ---down) Blinking red LED 9.1
An event that triggers a warning (no shut ---
down) Blinking yellow LED 9.2
Miscellaneous events (faults) No indication 9.3
9.1 Alarms (machine shut ---down, red LED blinking)
Message Possible cause Action KAESER service
technician only
access doors Door opened during
machine operation. Close the door(s).
ADT Maximum airend di-
scharge tempera-
ture exceeded. Ensure adequate
ventilation.
Ensure permitted
room temperature
not exceeded.
Clean the cooler.
Cooling air outlet too
near a wall
Check the cooling
oil level.
ADT dT/dt Maximum airend di-
scharge tempera-
ture rise rate excee-
ded. Check airend and
piping to airend.
Check the cooling
oil level.
Check oil circulation.
airend rotation The motor is turning
in the wrong direc-
tion. Changeover phase
lines L1 and L2.
AI 1 open cct. Connection is bro-
ken between the
system pressure
transducer and ana-
log input 1.
Short circuit to
earth.
Check line and con-
nection. Check the sensor.
AI 2 open cct. Connection is bro-
ken between the in-
ternal pressure
transducer and ana-
log input 2.
Short circuit to
earth.
Check line and con-
nection. Check the sensor.