Elmo Rietschle L-BL2 - Manual (Page 30)

Servicing
610.44444.40.000 30 / 36 © Gardner Denver Deutschland GmbH
Fault Cause Remedy Carried out by
Motor does
not start, no
running
noise. At least two
power supply
leads interrupted. Eliminate interruption by fuses, terminals or
supply cables. Electrician
One power
supply lead
interrupted. Eliminate interruption by fuses, terminals or
supply cables. Electrician
Free shaft by turning.
See Chapter 9.1, "Maintenance", Section "Free
shaft by turning", Pg. 28. Operator/Service
Motor does
not start,
humming
noises.
Impeller of
installed unit is
jammed.
Decalcify installed unit.
See Chapter 9.1, "Maintenance",
Section "Decalcify installed unit", Pg. 28. Operator
Protective motor
switch setting too
low. Set the protective motor switch to the rated
current indicated on the rating plate. Electrician
Winding short-
circuit. Have winding checked. Electrician/Servic
e Dept.
Counter pressure
at discharge
connection too
high. Check exhaust-air connection (Item B) and
condensation cooler (Item 031) for soiling. Operator/Service
Protective
motor switch
trips when
motor is
switched on.
Impeller of
installed unit is
jammed. See "Motor does not start, humming noises". Operator/Electrici
an/Service Dept.
Lime or other
deposits. Decalcify installed unit.
See Chapter 9.1, "Maintenance",
Section "Decalcify installed unit", Pg. 28. Operator
Decalcify entire system.
See Chapter 9.1, "Maintenance",
Section "Decalcify the entire system", Pg. 29.
Operator
Clean installed unit.
See Chapter 9.1, "Maintenance", Section "Clean
installed unit", Pg. 27. Operator
Power
consumption
too high.
Clean separator.
See Chapter 9.1, "Maintenance", Section "Clean
separator", Pg. 27.
Operator
No operating
liquid. Fill in operating liquid via the fill opening
(Item 007) as described in Chapter 5.3, "Filling",
Pg. 17". Operator
Severe leak in
system. Seal off leak in system. Operator
Severe leak in
system. Seal off leak in system. Operator
System does
not generate
vacuum.
Wrong direction
of rotation. Reverse direction of rotation by interchanging two
connecting leads. Electrician