Fault Recognition And Rectification; Basic Instructions; Alarms - KAESER Premium Compact W 200/4 Service Manual

9 Fault Recognition and Rectification

9.1
9.2
32
9 Fault Recognition and Rectification
9.1

Basic instructions

Basic instructions
The alarm indications valid for your machine are dependent on the individual equipment.
1. Do not attempt fault rectification measures other than those given in this manual.
2. In all other cases,
have the fault rectified by an authorised KAESER Service Technician.

Alarms

Alarm
Machine does not start.
Machine starts with difficulty.
Machine runs hot.
Motor overload protection trips
out after a short time.
Motor overload protection trips
out after a long time.
* depending on machine
Service Manual Reciprocating compressor
Premium compact W
Possible cause
A fuse has blown and the ma‐
chine is shut down.
Defective pressure switch con‐
tact.
Motor overload protection has
tripped.
Compressor motor defective:
Bearing damage or winding
short-circuit.
Compressor block defective.
Venting valve on the pressure
switch not opening.
Bearing damage.
Piston seized due to insufficient
or incorrect oil.
Fault in the power supply.
Oil level too high.
Ambient temperature too high.
Fan cannot draw air freely.
Valves* or valve plate between
cylinder head and cylinder are
leaking or dirty.
Outlet valve reed broken.
Fault in the power supply.
Motor fault.
Current too high because of low
supply voltage.
Remedy
Check motor connections and
fuses (circuit breakers).
Replace the pressure switch.
Allow the motor to cool down.
Contact KAESER Service.
Contact KAESER Service.
Maintain or replace the unload‐
ing valve.
Contact KAESER Service.
Contact KAESER Service.
Check power supply.
Drain out some oil.
Reduce the ambient tempera‐
ture.
Ensure unrestricted flow of air
to the fan.
Contact KAESER Service.
Contact KAESER Service.
Check power supply.
Contact KAESER Service.
Check power supply cable con‐
ductor cross-sections.
Check and tighten connection
terminals.
No.: 9_9418 20E