Fault Clearance - Festo DNCKE S Serie Instrucciones De Utilizacion

DNCKE−...−S / KEC−...−S
12

Fault clearance

Malfunction Possible cause
Clamping unit Clamping unit leaky
does not open.
Insufficient operating pressure
Clamping unit not correctly adjusted Readjust round material (è 6.2 Adjustment
Hard knocking Speed too high
in cylinder end Cushioning not sufficient
position Payload too great
Round material Payload too great
slips through.
Speed too high
Operating pressure on cylinder too
high
Round material contaminated
Round material does not meet
the quality requirements
Clamping unit not correctly adjusted
or worn
Clamping component worn or
clamping mechanism defective
Malfunctions Position of proximity sensors
in position incorrect
scanning at Incorrect type of proximity sensor
the DNCKE used
Proximity sensor defective
Ferrite components in the vicinity of
the proximity sensor.
Tab. 14
Festo – DNCKE−...−S / KEC−...−S – 1511b English
Remedy
Send clamping unit to Festo with descrip­
tion of fault.
Increase operating pressure to maximum
permitted value.
of the clamping unit).
Reduce the impact speed.
Increase cushioning or use additional
external cushioning components.
Reduce payload.
Select lower speed.
Brake additionally with power valves.
Reduce operating pressure.
Modify control.
Clean the round material with a soft cloth
and protect from dirt.
Comply with specifications for the quality of
the round material (è 13 Technical data).
Readjust round material (è 6.2 Adjustment
of the clamping unit).
Replace clamping unit or send it to Festo
with description of fault.
Correct position of proximity sensors.
Only use suitable proximity sensors
(è www.festo.com/catalogue).
Replace proximity sensor.
Use components made of non-magnetic
materials.
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