Troubleshooting guide

78
Reference Manual
00809-0100-4308, Rev BA
Section 6: Service and Troubleshooting
December 2014
Service and Troubleshooting
6.3 Troubleshooting guide
If there is a malfunction despite the absence of alerts, see Tab le 6 .3 .1 for information on
possible causes and recommended actions.
The troubleshooting guide contains the following symptoms:
 Incorrect level readings, see page 78.
 Incorrect or missing interface level reading, see page 80.
 Power module troubleshooting, see page 81.
 Device display troubleshooting, see page 81.
 Wireless Network troubleshooting, see page 82.
6.3.1 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
“Tank Height” on page 161.
 Check Thresholds, refer to “Adjusting
thresholds” on page 84.
 Run Verify Level, see “Verify Level” on
page 59.
 Check transmitter configuration. Run Basic
Setup, refer to “Basic Setup” on page 58.
There is no level reading.
 The tank is empty. No action is needed.
 Check Thresholds, refer to “Adjusting
thresholds” on page 84.
Level spikes or level is suddenly reported as full
or empty.
 Check the Upper Product Dielectric
Constant, see “Upper Product Dielectric
Constant” on page 163.
 The transmitter is configured with wrong
Probe Type, refer to “Probe Type” on
page 161.
 Check Thresholds, see “Adjusting
thresholds” on page 84.
 The transmitter has locked on disturbing
obstacles at top of the tank. See “Handling
disturbances at the top of the tank” on
page 92 for recommended actions.
 The surface is turbulent. Set the
Performance Mode to High to get a stable
measurement signal, refer to “Noise or weak
surface echoes” on page 97.