JUMO 701550 di 308 - Digital Indicator Operating Manual - Manual (Page 72)

10 Appendix
72
10.2 Alarm messages
Overrange / underrange covers the following events:
- Probe break or short-circuit
- Measured value outside the probe measuring range
- Display overflow
Display Cause Fault remedy
(test/repair/replace)
- 1 9 9 9 9
(blinking!) Underrange for the
value being displayed. Is the medium being measured
within the range (too hot? too
cold?)
Check probe for break and probe
short-circuit.
Check the probe connection and
the terminals.
Check cable.
9 9 9 9 9
(blinking!)
Overrange for the value
being displayed.
all displays
on
Watchdog or power ON
trigger initialization
(reset). Replace unit if initialization takes
longer than 5s.
PROF-ERR PROFIBUS error Can be suppressed by setting the
PROFIBUS address to "0".
OPT-ERR Hardware configuration
error Check which option boards are
installed in the slots.