E.L.B. F-350

19
Fault Effect Possible cause Remedy
Pressure is below MIN
value. Internal
enclosure pressure is
insufficient after
purge. Pressure drops
off
Seal off enclosure and
internal installations;
possibly readjust
leakage air nozzle
Air quantity is not
successful purge.
Cross-section of inlet
for compressed air/
inert gas is too small
Increase the diameter
of the air supply hose
Pressure regulator
incorrectly set (e.g.
2.0 bar static)
Adjust the pressure
regulator to e.g. 2.0
bar dynamic (i.e. for
flow of compressed
air/ inert gas)
After more than 10 s,
the remaining purge
time is reset to the
initial value
Air quantity is not
sufficient for
successful purge.
Cross-section of inlet
for compressed air/
inert gas is too small
Increase the diameter
of the air supply hose
Recalibrate to 1 bar
inlet pressure. Double
the purge time
Normal operation
does not begin after
successful purge
process
Display for enclosure
pressure is shown for
approx. 4 s and then
switches off
Pressure is below MIN
value. Internal
enclosure pressure is
insufficient after
purge. Pressure drops
off
Seal off enclosure and
internal installations;
possibly readjust
leakage air nozzle
Display for enclosure
pressure is shown for
a while (longer than 4
s) and then switches
off
Pressure is below MIN
value. Internal
enclosure pressure is
insufficient after
purge. Pressure drops
off
Seal off enclosure and
internal installations;
possibly readjust
leakage air nozzle
Pressure is below MIN
value. Pressure
regulator incorrectly
set (e.g. 2.0 bar static)
Adjust the pressure
regulator to e.g. 2.0
bar dynamic (i.e.for
flow of compressed
air/ inert gas)