Festo SDE3 series, Operating Instructions Manual

Page: 50 / 60

SDE3−...
Festo SDE3−... 0604a English
50
11 Trouble−shooting
Fault Possible cause Remedy
No display Supply voltage not applied
or no permitted operating
voltage Switch on supply voltage /
maintain permitted
operating voltage range
Electrical connections
swapped (incorrect polarity) Wire the SDE3−... as shown
in the circuit diagram.
SDE3−... defective Return SDE3−... to Festo
Error number Er17
flashes (see also Fig.19) Undervoltage in the power
supply Observe permitted
operating voltage range
Error number Er01
flashes SDE3−... defective Return SDE3−... to Festo
Incomplete display Display defective Return SDE3−... to Festo
Incorrect pressure
display Pneumatic connections
swapped (only with SDE3−..D
or SDE3−..Z) Connect tubing in
accordance with section
Pneumatic installation"
SDE3−... operated with
non−permitted medium Replace the SDE3−... and
operate only with
compressed air
Pressure display flashes
or error number Er09 ...
Er12 flashes Pressure outside measuring
range Observe permitted pressure
measuring range
Er12 flashes
(see also Fig.19)
Excess pressure over
maximum permitted value
(device damaged) Replace SDE3−...
Outputs do not switch
according to settings. Short circuit/overload at
relevant output Eliminate short
circuit/overload
SDE3−... defective Return SDE3−... to Festo
Settings cannot be
edited (Lock" in the
display) Access protection active Enter security code
(if security code is lost, reset
the SDE3−... to the factory
setting, see section 7)
Fig.18