•
)
•
Incorrect or missing interface level reading (see
•
Power module troubleshooting (see
)
•
Device display troubleshooting (see
•
Wireless network troubleshooting (see
Table 6-6: Incorrect level readings
Symptom
Possible cause and recommended actions
The level readings do not correspond to a reference
measurement, for example a handgauged value.
•
Check the Tank Height parameter, refer to
•
.
•
Run Verify Level, see
•
Check transmitter configuration. Run Basic Setup, refer
to
.
There is no level reading.
•
The tank is empty. No action is needed.
•
.
Level spikes or level is suddenly reported as full or empty.
•
Check the Upper Product Dielectric Constant, see
Upper product dielectric constant
•
The transmitter is configured with wrong Probe Type,
refer to
.
•
Check Thresholds, see
•
The transmitter has locked on disturbing obstacles at
top of the tank. See
Handling disturbances at the top of
for recommended actions.
•
The surface is turbulent. Set the Performance Mode to
High to get a stable measurement signal, refer to
Resolve noise or weak surface echoes
Level stuck in full.
•
The tank is full. Check the product level.
•
Check Thresholds, see
•
The transmitter has locked on disturbing obstacles at
top of the tank. See
Handling disturbances at the top of
for recommended actions.
•
The transmitter is configured with wrong Probe Type,
refer to
.
•
The reference peak is not detected since it is weaker
than the Reference Threshold. Adjust Reference
Threshold to an appropriate value so that reference
peak is not filtered out. Refer to
Reference Manual
Service and troubleshooting
00809-0100-4308
February 2020
Reference Manual
115
Summary of Contents for Rosemount 3308A
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Page 22: ...Transmitter overview Reference Manual February 2020 00809 0100 4308 22 Rosemount 3308 Series ...
Page 74: ...Installation Reference Manual February 2020 00809 0100 4308 74 Rosemount 3308 Series ...
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