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Malfunction of operation
9 Troubleshooting
All error messages and error codes that may appear in operation are described in the
software instruction manual. Possible malfunctions that may occur during commissioning
are explained below and remedying them is explained. If you cannot remedy the malfunc-
tion using these explanations, contact the Yokogawa service center.
9.1 Malfunction of operation
Malfunction
Display on transmitter
not functioning
Settings cannot be
made via IR switches
Field communicator is
not detected
Possible causes
Power supply disconnected
Connection to main board
faulty
Incorrect settings in write-pro-
tect menu item
HART or Modbus DD not in-
stalled on field communicator
Field communicator not con-
nected
IM01U10A00-00EN-R, 2nd edition, 2017-08-29
Quick Reference Instruction Manual
Remedy
– Ensure that the unit is connected to the power
supply, see [} 46]
– Check cable connections between display
and main board and connect properly, if
necessary.
– Switch off write-protect menu item via digital
communication or hardware switch.
– Save HART or Modbus DD file on field com-
municator.
– Connect field communicator with Rotamass
Total Insight, see software instruction manual.
Troubleshooting
51 / 54
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