Troubleshooting
9
© Gardner Denver Deutschland GmbH
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08.2019 · 610.44434.40.000
Fault
Cause
Corrective measure
To be car-
ried out by
Change in the blade profile due
to contamination
Clean the impeller, check for
wear and replace if necessary
Service*
Clogged filters or silencer ele-
ments
Clean filters and silencer ele-
ments and replace them, if nec-
essary
Fitter
Incorrect target speed for drive
control
Correct the target speed
Fitter
Analogue input on drive control
incorrectly configured
Match the setting to the adja-
cent analogue signal
Operating
personnel
Maximum output frequency on
drive control too low
Increase maximum output fre-
quency
Do not exceed the maximum
speeds given on the rating plate
Operating
personnel
G-BH1 | G-BH9 runs,
drive control target
values are "0"
Minimum output frequency
<0 Hz set.
No error, as due to the minimum
output frequency default, the G-
BH1 | G-BH9 always starts up
with a frequency <0 Hz, see
Rotational speeds [
➙
40].
—
Abnormal flow noises
Flow rate too high.
Clean pipe/hoses, use
pipes/hoses with a larger cross
section if necessary
Fitter
Silencer inserts dirty or faulty
Clean the silencer inserts, check
for wear and replace as neces-
sary
Service*
G-BH1 | G-BH9 leaks
Screw connections loose
Check tightening torques and
tighten screws
Fitter
Other error messages
on drive control
See manufacturer's operating
instructions for the drive control
See manufacturer's operating
instructions for the drive control
Electrician
* To be corrected by maintenance staff if the maintenance manual is available.
Summary of Contents for Elmo Rietschle 2BH11
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