Appendix B - Troubleshooting Tips - Siemens SITRANS RD200 Operating Instructions Manual

Appendix B - Troubleshooting Tips

Symptom
No display at all
Not able to change setup or
LoCd
programming;
Meter displays error message
during calibration (
Meter displays
open
9999
-1999
Displays negative number, not
responding to RTD.
Display alternates between
Hi
and a number
Lo
and a number
Display response is too slow
Inaccurate temperature reading
If the display locks up or the meter
does not respond at all
Relay operation is reversed
Relay and status LED do not
respond to signal
Meter not communicating with
SITRANS Remote Display Software
or other programs
Other symptoms not described
above
7ML19985JS01
is displayed
err
)
SITRANS RD200 – OPERATING INSTRUCTIONS
Check/Action
Check power at power connector
Meter is locked; enter correct four-digit
password to unlock
Check:
Signal connections
Input selected in Setup menu
Minimum input span requirements
Check:
Input selected in Setup menu
TC/RTD Switch position
Corresponding signal at Signal connector
Press Menu to exit display
readings.
Check filter and bypass values
Check:
Temperature units (×F or ×C)
TC type or RTD curve selected
Offset adjustment
TC wire used
Calibration
Cycle the power to restart the
microprocessor.
Check:
Fail-safe in Setup menu
Wiring of relay contacts
Check:
Relay action in Setup menu
Set and reset points
Check:
Serial adapter and cable
Serial protocol selected
Meter address and baud rate
SITRANS Remote Display Software
address and baud rate
Contact your local Siemens
representative for assistance.
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