EIO104
Converter IO-Link sensor ‒ 4…20 mA
14
8 Troubleshooting
The unit provides self-diagnostic options.
Errors are indicated by the red LED. In the event of an error, the analogue outputs react according to
the setting under [FOU] (
Ò
Chapter analogue output).
Type
Description
Red LED
Output signal
Troubleshooting
1
Supply voltage too low
---
----
u
Check the supply voltage.
1
Measuring range exceeded
---
20...20.5 mA
u
Check measuring range.
1
Value below measuring range
---
3.8...4 mA
u
Check measuring range.
2
No IO-Link communication detected
Flashes
----
u
Check connections between IO-Link
device / parameter setting software
and unit.
2
Measured value outside the detec-
tion zone
Flashes
Affected output
FOU
u
Check parameter setting.
2
Measuring signal disturbed *
Flashes
Both outputs FOU
u
Check the connected sensor.
2
Signal error
Flashes
Both outputs FOU
u
Check wiring.
2
Unit failure
On
Both outputs FOU
u
Replace the unit.
Tab. 4: Troubleshooting; 1: Warning, 2: Error
* The error display "Measuring signal disturbed" also appears if a sensor is connected that only
outputs one process value.
Corrective measures:
u
Use the parameter setting software for [SEL1] and [SEL2] to set the value PDV1.
