PM11
Electronic pressure sensor
18
9 Troubleshooting
9.1 Troubleshooting
The unit has many self-diagnostic options.
It monitors itself automatically during operation. Warnings and faults are signalled via IO-Link. If a
process value fails, the other process values are still available.
Additional diagnostic functions are available via IO-Link.
IODD interface description at:
The IO-Link error codes are contained in the IODD.
Type
Description
Output behaviour
Troubleshooting
Error
Unit faulty / malfunction
21.5 mA
Replace device.
Error
Supply voltage too low.
Off
Check the supply voltage.
Error
Parameter setting outside the valid range.
21.5 mA
Repeat parameter setting.
Error
Error in pressure measurement.
21.5 mA
Check pressure measurement.
Replace device.
Warning
Pressure range exceeded (≥ 105 % VMR*).
OU
Check pressure range.
Warning
Pressure range not reached (≤ -5 %MAW**).
OU
Check pressure range.
*VMR = final value of the measuring range.
**MAW = initial value of the measuring range
In case of a warning the analogue signal is as defined in the parameters [OU].
