SDE5-...
11
Eliminating faults
Fault
Possible cause
No LED display
Supply voltage not applied or no
permitted operating voltage
Connections swapped (incorrect
polarity)
Pressure failure
SDE5-... operated with non-
permitted medium
SDE5-... defective
LED display or
Short circuit or overload at the
switch output
output
does not react in
d
s
t
t i
Incorrect switching point taught
accordance with
(e.g. at 0 bar)
the settings
g
made
d
SDE5-... defective
Fig. 24
12
Technical specifications
Type
Design
Mounting position
Operating medium
Festo SDE-... 0204NH English
Remedy
Switch on supply voltage / maintain
permitted operating voltage range
Wire the SDE5-... as shown in the circuit
diagram.
Eliminate pressure failure
Replace the SDE5-... and operate only
with compressed air
Send SDE5-... to Festo with description
of fault
Eliminate short circuit/overload
Repeat the teach procedure
(see chapter "Commissioning")
Send SDE5-... to Festo with description
of fault
SDE5-D10-...
SDE5-D2-...
Piezoresistive pressure sensor
As desired, preferably vertical with Edit button at the top
(condensate gathering in the pressure measuring cell)
Filtered compressed air (40 µm) lubricated
or non-lubricated (no corrosive gases)
SDE5-V1-...
Piezoresistive
vacuum sensor
Vacuum
35