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Troubleshooting & Maintenance
6-2
Polysonics SX40 User Guide
Thermo Electron Corporation
The following table describes the learn mode warnings and appropriate
corrective actions. Complete the corrective actions in the order presented.
Table 6–2.
Learn mode warnings & corrective actions
Warning
Corrective Action
Invalid Signal,
Can’t Learn
1. Refer to Table 6–1 and complete actions A–D, checking the meter after
performing each action to see if the problem was corrected.
2. Contact Thermo.
No Flow,
Can’t Learn
1. Check for flowing fluid.
2. Make sure the pipe is full.
3. Check connections.
4. Restart meter. See if warning clears.
5. Contact Thermo.
Warning Low
S Strength
1. Turn meter off.
2. Refer to Table 6–1 and complete actions A–D, checking the meter after
performing each action to see if the problem was corrected.
3. Contact Thermo.
Warning Poor
S Quality
1. Go into operating mode.
2. Check the FFT.
Table 6–3.
Operating mode warnings & corrective actions
Warning
Corrective Action
PQ – Poor
Signal Quality
1. Check the FFT.
2. Refer to Table 6–1 and complete actions B–D, checking the meter after
performing each action to see if the problem was corrected.
3. Contact Thermo.
FS – Failed
Signal Status
1. Refer to Table 6–1 and complete actions B–D, checking the meter after
performing each action to see if the problem was corrected.
2. Check the FFT.
3. Contact Thermo.
IS – Invalid
Signal
1. Check the FFT.
2. Contact Thermo.
Learn Mode Warnings
Operating Mode Warnings
Summary of Contents for Polysonics SX40
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