SWR DensFlow, Руководство по эксплуатации

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8 Maintenance
•
Warning!
Danger of shock with opened housing!
•
Switch off the supply voltage for all maintenance or repair works on the measuring
system. The pipe must not be in operation during a sensor exchange.
•
Repair and maintenance work must be carried out by trained or expert personnel only.
9 Warranty
Warranty is granted for two years starting from delivery date under the condition that
the operational instructions have been followed, no interventions on the appliances
have been made and the components of the system show no mechanical damage or
wear resistance.
In case of a defect during the warranty period, defective components are repaired or
are replaced free of charge. Replaced parts turn into the property of SWR. If desired
by the customer that the parts should be repaired or replaced in its factory, then the
customer has to take over the costs for the SWR-service staff.
SWR is not responsible for damage, which did not develop at the delivery article;
especially SWR is not responsible for escaped profit or other financial damages of
the customer.
10 Trouble shooting
•
Warning!
The electrical installation must only be checked by expert personnel.
Problem Cause Measure
Measuring system
does not work. Power supply interrupted.
Break of a cable.
Fuse defective.
Device defective.
Check the power supply.
Check the connecting cables for a possible
break of a cable.
Exchange the fuse in the field housing .
Measuring system
outputs wrong values Calibration not correct.
Calibration shifted by
abrasion on front end of
sensor.
Delete input signal correction, new calibration
according to section 6.
Delete input signal correction, new calibration
according to section 6.
Relay flickering Hysteresis too small.
Increase hysteresis, check effects caused by
external devices.
Do not open, as otherwise the warranty claim expires!