Malfunction of operation
Quick Reference Instruction Manual
Troubleshooting
IM01U10A00-00EN-R, 2nd edition, 2017-08-29
51 / 54
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
Possible causes
Remedy
Display on transmitter
not functioning
Power supply disconnected
–
Ensure that the unit is connected to the power
supply, see
[
}
46]
Connection to main board
faulty
–
Check cable connections between display
and main board and connect properly, if
necessary.
Settings cannot be
made via IR switches
Incorrect settings in write-pro-
tect menu item
–
Switch off write-protect menu item via digital
communication or hardware switch.
Field communicator is
not detected
HART or Modbus DD not in-
stalled on field communicator
–
Save HART or Modbus DD file on field com-
municator.
Field communicator not con-
nected
–
Connect field communicator with Rotamass
Total Insight, see software instruction manual.
