Troubleshooting; Types Of Errors; Error Messages - JUMO miroTRON Operating Manual

8 Maintenance, cleaning, troubleshooting
8.4

Troubleshooting

8.4.1

Types of errors

Potential types of errors:
• System errors that are detected by hardware or software (e.g. probe break, overrange)
• Fault messages set by the customer in the configuration
(Fault message if the binary input switches from 0 to 1 or if a set limit value is exceeded)
• Runtime error (e.g. division by 0, internal RAM storage faulty, etc.)
8.4.2

Error messages

Display
<<<<
>>>>
++++
- - - -
a
Depending on the signal type (measuring probe)
In the event of a fault, the controller switches to manual mode.
66
a
Possible cause
Measuring range underflow
Measuring range overflow
Temperature for compensation
outside
Probe or line break
Probe or line short circuit
Not a valid input value
Display capacity exceeded
invalid value
Measures
Check probe and line (break, short
circuit, reverse polarity)
Check connection terminals
Check configuration (signal type, lin-
earization, resistance measuring
range, scaling)