Pepperl+Fuchs HD2-DM-A Manual page 188

Advanced Diagnostics
Appendix
ID
271
272
273
274
276
277
Phenomenon
A device coupler "Out of
specification" alarm is
detected for several
devices
A device coupler "Mainte-
nance required" alarm is
detected
A Surge protector con-
nected to the trunk is send-
ing an alarm
A Surge protector con-
nected to the trunk is send-
ing an alarm
"Maintenance required"
alarm of a device coupler
detected
"Out of specification" alarm
of a device coupler
detected for one device
Cause(s)
ELS sends alarm. The
device coupler LED should
blink three times
An ELS or a surge protec-
tor sends an alarm. Device
coupler LED should blink
three times
A diagnostic value exceeds
defined value. The device
coupler LED should blink
two times
An empty spur is short cir-
cuited or shows bad cur-
rent changes
A diagnostic value exceeds
defined value. The device
coupler LED should blink
one time
A surge protector con-
nected to the trunk
detected its end of life
A surge protector con-
nected to the trunk
detected its end of life
A diagnostic value exceeds
defined value. The device
coupler LED should blink
one time
An ELS or a surge protec-
tor sends an alarm. Device
coupler LED should blink
three times
A diagnostic value exceeds
defined value. The device
coupler LED should blink
two times
Action(s)
Check ELS of the device
coupler with active alarms
Check device sending the
alarm and check any ELS
and surge protectors con-
nected to it
Check the device coupler
manual for details
Check empty spurs of the
corresponding device cou-
pler
Check device coupler
manual for details
Check LEDs of the trunk
surge protectors and
replace the surge protec-
tors reporting end of life
Check LEDs of the trunk
surge protectors and
replace the surge protec-
tors reporting end of life
Check device coupler
manual for details
Check device sending the
alarm and check any ELS
and surge protectors con-
nected to it
Check the device coupler
manual for details
187