Troubleshooting – Burkert Type 8712 User Manual
Page 42

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Maintenance,Troubleshooting
Type 8006, 8702
9.3.
Troubleshooting
problem
possible cause
recommended action
The Power LED is off
No power supply.
Check the electrical connections.
The Power LED flashes
The
Autotune function is in progress.
See section „8.3“.
The Power LED goes off
periodically
The Power supply cuts out periodically; the device
implements a reset.
Use a power supply with adequate power.
The voltage drop in the connection cable is too high.
Increase the cable cross section.
Reduce the cable length.
The Limit (y) LED comes
on
MFC: the solenoid valve adjustment has almost reached
100%. The set-point value has not been obtained.
Increase the operating pressure (observe the maximum
permitted supply pressure).
Check the cable resistance and reduce if required.
Check the system dimensions.
Check the filters installed in the line and clean
if required.
MFM: the measured flow-rate has almost reached or
exceeded the nominal flow-rate.
Reduce the flow-rate.
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