9 Fault Recognition and Rectification
9.1 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.
9.2 Alarms
Alarm
Possible cause
Remedy
Machine does not start.
A fuse has blown and the ma‐
chine is shut down.
Check motor connections and
fuses (circuit breakers).
Defective pressure switch con‐
tact.
Replace the pressure switch.
Motor overload protection has
tripped.
Allow the motor to cool down.
Compressor motor defective:
Bearing damage or winding
short-circuit.
Contact KAESER Service.
Compressor block defective.
Contact KAESER Service.
Machine starts with difficulty.
Venting valve on the pressure
switch not opening.
Maintain or replace the unload‐
ing valve.
Bearing damage.
Contact KAESER Service.
Piston seized due to insufficient
or incorrect oil.
Contact KAESER Service.
Fault in the power supply.
Check power supply.
Oil level too high.
Drain out some oil.
Machine runs hot.
Ambient temperature too high. Reduce the ambient tempera‐
ture.
Fan cannot draw air freely.
Ensure unrestricted flow of air
to the fan.
Valves* or valve plate between
cylinder head and cylinder are
leaking or dirty.
Contact KAESER Service.
Outlet valve reed broken.
Contact KAESER Service.
Motor overload protection trips
out after a short time.
Fault in the power supply.
Check power supply.
Motor fault.
Contact KAESER Service.
Motor overload protection trips
out after a long time.
Current too high because of low
supply voltage.
Check power supply cable con‐
ductor cross-sections.
Check and tighten connection
terminals.
* depending on machine
9
Fault Recognition and Rectification
9.1
Basic instructions
32
Service Manual Reciprocating compressor
Premium compact W
No.: 9_9418 20E
Summary of Contents for Premium Compact W 200/4
Page 2: ...Original instructions KKW PPWCO 2 00 en SBA PREMIUM COMPACT TRAGBAR 20120822 115136 ...
Page 6: ...Contents iv Service Manual Reciprocating compressor Premium compact W No 9_9418 20E ...
Page 10: ...List of Tables viii Service Manual Reciprocating compressor Premium compact W No 9_9418 20E ...