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11. Warranty
Warranty is granted for one year starting from delivery date under the condition that the operating 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 ENVEA - SWR engineering. If desired by the costumer that the parts
should be repaired or replaced in its factory, then the costumer has to take over the costs for the ENVEA - SWR
engineering-service staff.
ENVEA - SWR engineering is not responsible for damage, which did not develop at the delivery article; especially
ENVEA - SWR engineering is not responsible for escaped profit or other financial damages of the customer.
12. Troubleshooting
Warning!
•
The electrical installation must only be checked by expert personnel.
Problem
Cause
Measuring system
Power supply interrupted.
does not work.
Cable break.
Defective fuse.
Defective device.
Measuring system
Incorrect calibration.
outputs wrong values.
Calibration shifted by
abrasion or caking on
front end of sensor.
Sensor error.
Sensor not properly
connected.
Sensor damaged.
No 24 V DC supply on sensor. Assure right power supply.
Relay flickering.
Hysteresis too small.
Do not open, as otherwise the warranty claim expires!
Measure
Check the power supply.
Check the connecting cables for a possible break of a cable.
Exchange the fuse in the field housing.
Call ENVEA - SWR engineering for further instructions.
Delete input signal correction, new calibration according to
section 7.
Delete input signal correction, new calibration according to
section 7.
Check cable.
Replace sensor.
Increase hysteresis, check effects caused by external devices.
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