Wika MHC-1 Manuel d'utilisateur télécharger pdf (Page 19)

19WIKA operating instructions pressure transmitter, model MHC-1

14035467.01 08/2012 GB/D/F/E

Faults Causes Measures

No/wrong output signal Cable break

Wiring error

No/wrong power supply

Check the continuity

Observe the pin assignment

Rectify the power supply

No communication Adjustment of node ID

Transmission rate incorrect

Check the conguration parameters

7. Maintenance and cleaning

7.1 Maintenance

This instrument is maintenance-free.

Repairs must only be carried out by the manufacturer.

7.2 Cleaning

CAUTION!

■

Before cleaning, correctly disconnect the instrument from the pressure supply, switch it

o and disconnect it from the voltage supply.

■

Clean the instrument with a moist cloth.

■

Residual media in dismounted instruments can result in a risk to persons, the

environment and equipment. Take sucient precautionary measures.

For information on returning the instrument see chapter 9.2 "Return".

8. Faults

In the event of any faults, rst check whether the pressure transmitter is mounted correctly, mechanically

and electrically.

7. Maintenance and cleaning / 8. Faults

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Wika MHC-1 Manuel d'utilisateur Page 19