Pepperl+Fuchs HD2-DM-A Manual page 182

Advanced Diagnostics
Appendix
ID
193
194
195
196
197
198
202
203
204
205
206
207
208
209
Phenomenon
No communication
detected
The segment is powered
and communication is
active, but no devices are
detected
Segment voltage is "Out of
specification" (too low)
Segment voltage is "Out of
specification" (too high)
Segment voltage changed
compared to commission-
ing
Segment voltage is mea-
sured as zero. Segment is
unpowered
Both fieldbus power sup-
plies report failure, seg-
ment is unpowered
No fieldbus power supply
installed
Segment Power Supply
Module (A or B) is different
compared to commission-
ing
Segment Power Supply
Module (A or B) is missing
Both fieldbus power sup-
plies report failure, seg-
ment is powered
Segment Power Supply
Module (A or B) failure
detected, no redundancy
available
Segment Power Supply
Module (A or B) failure
detected
Both fieldbus power sup-
plies report failure
Cause(s)
Host/LAS/master commu-
nication fault
No host connected
Wrong fieldbus type
selected
Power supplies failed for
the segment
Power supply module
defect, Voltage is OOS
Fieldbus power supply
replaced with incompatible
model
Power supplies failed for
the segment
Trunk short circuit
Power supplies failed for
the segment
No power supply module
installed
Fieldbus power supply
replaced with incompatible
model
Segment Power Supply
Module (A or B) not
installed
Power supplies failed for
the segment
Trunk short circuit
Fieldbus power supply
failed
Segment Power Supply
Module (A or B) failed,
redundant power supply
module powers the seg-
ment
Trunk short circuit
Power supplies failed for
the segment
Action(s)
Check host/LAS/master
Check if the host is
installed and correctly con-
nected to the segment
Set fieldbus type to FOUN-
DATION Fieldbus or PRO-
FIBUS PA
Check and replace fieldbus
power supplies
Replace power supply
module
Install correct fieldbus
power supply
Check and replace fieldbus
power supplies
Check trunk. If no spur
short circuit protection is
installed, also check spurs.
Check and replace fieldbus
power supplies
Install power supply mod-
ule for this segment
Install correct fieldbus
power supply
Install Segment Power
Supply Module (A or B) on
the motherboard
Check and replace fieldbus
power supplies
Check trunk. If no spur
short circuit protection is
installed, also check spurs.
Replace fieldbus power
supply module
Replace Segment Power
Supply Module (A or B)
Check trunk. If no spur
short circuit protection is
installed, also check spurs.
Check and replace fieldbus
power supplies
181