X20 system modules • Other functions • X20CM4810
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X20 system User's Manual 3.10
Frequent problems
Electric motor
Fan
Coupling
PeakHighFrequency
CrestFactorHighFrequency
Vdi3832KtHighFrequency
PeakRaw
CrestFactorRaw
SkewnessRaw
KurtosisRaw
Vdi3832KtRaw
RmsHighFrequency
RmsAccRaw
RmsVelRaw
ISO10816
RmsAccEnvelope
RmsVelEnvelope
FrequencyBandRmsVelEnvelope
FrequencyBandRmsAccEnvelope
FrequencyBandRmsAccRaw
FrequencyBandRmsVelRaw
FrequencyBandNoiseAccEnvelope
FrequencyBandNoiseVelEnvelope
FrequencyBandNoiseAccRaw
FrequencyBandNoiseVelRaw
Im
ba
la
nc
e
O
rie
nt
at
io
n
Lo
os
e
co
m
po
ne
nt
s
Ea
rly
-s
ta
ge
b
ea
rin
g
fa
ilu
re
La
te
-s
ta
ge
b
ea
rin
g
fa
ilu
re
Su
bo
pt
im
al
lu
br
ica
tio
n
At
ta
ch
m
en
t o
f c
om
po
ne
nt
s
Co
up
lin
g
fa
ul
ts
El
ec
tri
ca
l e
rro
rs
Application possibilities
Potential failures
Characteristic values
Suitability of the respective
characteristic values to
monitor the potential failures:
Very good
Good
Less good
Not assessed
Frequency of the cause of failure in these
potential failures:
Frequent
Depends on where used
Rare to never
Not assessed
Figure 707: Fan with countershaft - Frequent problems