Maintenance and cleaning, Faults 8. maintenance and cleaning / 9. faults – WIKA GCS-1 User Manual
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WIKA operating instructions gas cylinder scale model GCS-1
GB
11145676.05 11/2011 GB/D/F/E
Problem
Causes
Measure
No output signal
No power supply
Cable break
Wiring reversed
Scales platform blocked
Gas cylinder scale defective
due to incorrect power supply or
current pulse
Check voltage supply
Check the through drilling
Rectify polarity
Check the scale is free-standing
Replace the gas cylinder scale
Constant output signal upon
change in weight
Scales platform blocked
Mechanical overload
Gas cylinder scale defective
due to incorrect power supply or
current pulse
Check the scale is free-standing
Replace the gas cylinder scale
Replace the gas cylinder scale
Signal too low
Power supply too low
Load too high
Mechanical overload
Check the power supply
Rectify the load and/or power
supply
Recalibrate the gas cylinder scale
Replace the gas cylinder scale
Zero point signal too low or too
high
Mechanical overload
Recalibrate the gas cylinder scale
Replace the gas cylinder scale
Signal characteristic non-linear
Mechanical overload
Replace the gas cylinder scale
8. Maintenance and cleaning
8.1 Maintenance
The gas cylinder scale is maitenance-free.
Repairs must only be carried out by the manufacturer.
8.2 Cleaning
CAUTION!
■
Electrical connections must not come into contact with moisture.
■
Wash or clean the dismounted instrument before returning it, in order
to protect persons and the environment from exposure to residual
media.
For information on returning the instrument see chapter "10.1 Return".
9. Faults
8. Maintenance and cleaning / 9. Faults