Burkert Type 8693 - Manual (Page 220)

220
Maintenance and troubleshooting
50.1.4. error messages while the P.TUNE function is running
Display Causes.of.error remedial.action
P.TUNE
ERROR 1 No compressed air connected
No change to process variable
Connect compressed air
Check process and, if required, switch on
pump or open the shut-off valve.
Check process sensor.
Table 64: Error messages P.TUNE, Type 8693
50.1.5. error messages on field bus devices
On.Devicenet
Display Device.status Explanation/Troubleshooting
BUS offline
is displayed
approx. every 3
seconds
offline • Device is not connected to the bus, the network access
procedure (duplicate MAC-ID test, duration approx. 2 s)
has still not ended or device is only active network node
• Baudrate correctly set across network?
• Bus connection including plug assignment correct?
• Power supply and bus connection of the other nodes
correct?
BUS no
connection
is displayed
approx. every 3
seconds
online,
no connection to the master
Device is connected correctly to the bus, the network access
procedure has ended without errors, however there is no
established connection to the master.
BUS
timeout
is displayed
approx. every 3
seconds
I/O connection timeout
→
An I/O connection is in the TIME OUT state.
→
New connection establishment by master; ensure that I/O
data is transferred cyclically or, if
COS confirmed, that cor-
responding Acknowledge messages are sent by the master.
BUS critical
err
is displayed
approx. every 3
seconds
Critical bus error Other device with the same address in the network or BUS
OFF due to communication problems.
→
Change address of the device and restart device
→
Error analysis in the network with a bus monitor.
Table 65: Error messages DeviceNet, Type 8693
english
Type 8692, 8693