Liquid Controls SP3850 User Manual

Page 72

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SP3850 Flow Computer

68

13. Diagnosis and Troubleshooting

13.1 Response of SP3850 on Error or Alarm:

TYPE OF ERROR

DESCRIPTION

Sensor/Process Alarms

Errors detected due to sensor
failure or process alarm
conditions

Self Test Errors

Errors detected during self test.

System Alarms

Errors detected due to system
failure

Error and warning indications which occur during operation are indicated
in the RUN mode alternately with the measured values. The SP3850
Flow Computer has three types of error:

Some alarms are self clearing. Other alarms require the user to
acknowledge and clear the alarm. Press the ENTER button to
acknowledged and clear alarms. Alarms may reassert themselves if
the alarm condition is still present.

NOTE: A historical error alarm log is available in the "Test Mode".

The following descriptions suggest possible causes and corrective
actions for each alarm message.

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