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BRUEL & KJAER VIBROCONTROL 920 - Page 14

BRUEL & KJAER VIBROCONTROL 920
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VIBROCONTROL 920 Internal Tests and Error Signals
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Page 12 / 33
VC920E / C102833.002 / V 13
Error " 01"
The value of the calibration constants lies outside the permissible range. A
value between 0.5 and 2.0 is permitted. Occurrence of this error means an
error in the instrument’s internal acquisition electronics. The instrument
should be removed from the monitoring application and returned to the
nearest service station for repairs.
Error " 02"
The values of the internal voltages lie outside the permissible limits. For a
check see Group 3: Parameter 3 (+ 5 V) and Parameter 4 (+ 17 V).
Occurrence of this error means an error in the instrument’s power supply.
The instrument should be removed from the monitoring application and
returned to the nearest service station for repairs.
Error " 03"
The temperature inside the instrument housing has exceeded the 90 °C
(± 10 %) limit. If this error message occurs the instrument should be
removed from the monitoring application and returned to the nearest service
station for repairs.
Error " 04"
OK-error identification
Always Power failure
Vibration acceleration sensor Cable break
Short-circuit between the conductors
Vibration velocity sensor Cable open circuit
In the event of this error the analog output will be switched to 0 volt resp. 0 /
4 mA. The OK LED will go off and the OK relay will de-energize and can only
be reset using the RESET button. Until the cause of this error is eliminated
the OK error signal will remain.
Error " 05"
Failure of the OK monitoring function. This error shows a failure of the OK
monitoring function. If this error message occurs the instrument should be
removed from the monitoring application and returned to the nearest service
station for repairs.
Error " ccc "
The measured value input is overmodulated. If the measured value is
situated again within the measuring range the error message disapears.

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