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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