X90 mobile modules
282
X90 mobile system User's manual V 1.20 - Translation of the original manual
Fan with countershaft - Common 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
Imbalance
Orientation
Loose components
Early-stage bearing failure
Late-stage bearing failure
Suboptimal lubrication
Attachment of components
Coupling faults
Electrical errors
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
For the meaning of individual characteristic values, see
"Characteristic values" on page 170
and
"Configuration"
on page 193
.