FloBoss 107 Instruction Manual
Revised June-2017 Troubleshooting 7-15
7.4.9 Troubleshooting the Multi-Variable Sensor (MVS)
The Multi-Variable Sensor is simple in operation, without user-
serviceable parts. For repair or replacement, return the transmitter to your
local sales representative.
Pressure bottle
PC running ROCLINK 800 software
Failure to exercise proper electrostatic discharge precautions, such
as wearing a grounded wrist strap may reset the processor or
damage electronic components, resulting in interrupted operations.
Take care not to exceed the manufacturer’s sensor pressure rating.
1. Remove the sensor from service, taking care to maintain pressure in
the sensor by closing the valves and then bleeding off pressure as
shown in Figure 7-2.
1
Close
Shutdn2
L H
2
Open
L H
3
Close
L H
High
Pressure
Remains
Bleed
Bleed
L H
Operating Shutdown Sequence
Figure 7-2. MVS Depressurization
2. Open the manifold according to manufacturer’s instructions.
3. Apply pressure to the manifold or sensor bleed values and monitor the
resulting values in ROCLINK 800.
If an MVS transmitter does not seem to respond:
1. Connect to ROCLINK 800.
2. Select Configure > I/O > MVS Sensor.
3. Select the point number for the MVS transmitter in question.
4. Ensure that the MVS point is not in manual mode by setting the
Scanning field to Enabled.
5. If the sensor alarm shows a comm fail alarm, then the sensor is not
communicating with the FB107.
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