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Maintenance and cleaning / 8. faults, Maintenance and cleaning, Faults – WIKA MHC-1 User Manual

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WIKA operating instructions pressure transmitter, model MHC-1

14035467.01 08/2012 GB/D/F/E

GB

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 configuration 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

off 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 sufficient precautionary measures.

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

8. Faults

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

and electrically.

7. Maintenance and cleaning / 8. Faults