Festo DPA Serie Instrucciones De Utilizacion página 21

DPA−...
7 Accessories
Designation
Start−up valve:
input pressure
for high pressure
Silencer
Foot mounting
Flange fastening (only for DPA−40−...)
Manometer kit
Compressed air reservoir
Controller lock
Fig. 11
8 Trouble−shooting
Fault
High pressure
fluctuates too much
The desired high
pressure is not
reached
Flow too low
Pressure booster
does not start
Fig. 12
Festo DPA−... 0510c English
Possible cause
Air consumption of down
stream 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/
unfavourable operating
conditions
(valve in mid−position)
Type
HEL−...
HE−...−D−.../HEE−...−D−...
U−y−B; U−½−B; U−M3; UC−M7
HUA−...
FDPA−40
DPA−...−MA−SET
VZS−...
LRVS−D−...
Remedy
Use a compressed air reservoir
in accordance with the section
Accessories"
Inrease the input pressure
Use only components of
sufficient sizes
Increase volume at com
pressed air input (e.g. with
large compressed air reservoir)
Briefly exhaust the switching
valve by pressing the manual
override 6 (Fig. 1)
21