8 Supplement
64
8.2 Alarm and fault messages
Overrange / underrange covers the following events:
• Probe break/short-circuit
• Measured value outside the probe measuring range
• Display overflow
Display Cause Fault remedy
Test/repair/replace
ALrt
(factory-
specific text,
can be
changed)
Binary function for
which a text display
was configured is
active
Carry out the measure intended for
this case
-1999
(flashing!)
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.
Check that the connected probe
complies with the configured probe
type
9999
(flashing!)
Overrange for the
value being
displayed.
All displays
ON; lower
7-segment
display flashes
Watchdog or power
ON trigger
initialisation (reset).
Replace controller, if initialisation
takes longer than 5s.
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