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