Elmo Rietschle L-BV3 User Manual
Page 26

Servicing
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Fig. 11: Pouring in decalcifying agent and freeing shaft by turning
10.2 Repairs/troubleshooting
Fault
Cause
Remedy
Carried out by
Motor does
not start, no
running
noise.
Interruption of the
power supply,
with single-phase
model in one
cable, with two-
phase model in at
least two cables.
Check fuses, terminals and cables for open
circuit. Eliminate open circuit.
Electrician
One power
supply lead
interrupted.
Check fuses, terminals and cables for open
circuit. Eliminate open circuit.
Electrician
Free shaft by turning.
See Chapter 10.1, "Maintenance", Pg. 24.
Operator
Decalcify vacuum pump/compressor.
See Chapter 10.1, "Maintenance", Pg. 24.
Operator
Drain and clean vacuum pump/compressor if
necessary.
See Chapter 10.1, "Maintenance", Pg. 24.
Operator
Impeller is
jammed.
Check and correct impeller gap setting if
necessary.
Service
Impeller
defective.
Replace impeller.
Service
Motor does
not start,
humming
noises.
Motor bearings
defective.
Replace motor bearings.
Service