Festo DPA 40 Manuel D'utilisation page 25

DPA
9 Troubleshooting
Malfunction
Output pressure
fluctuates too
much
The desired
output pressure
is not reached
Flow too low
Pressure booster
does not start
Festo DPA 0712d English
Possible cause
Air consumption of downstream
equipment too high
Input pressure too low
Too many consuming devices
at the Output
Silencer, tubing or screw
connectors with insufficient
flow used
Insufficient air volume at
compressed air input
Fault in commissioning/unfa
vourable Operating conditions
(valve in mid−position)
Remedial action
Use air reservoir
Increase the input pressure
Use only components of suffi
cient sizes
Increase volume at compressed
air input (e. g. with large com
pressed air reservoir)
Briefly exhaust the switching
valve by pressing the manual
override 5 (
è
Fig. 1)
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