DFOI
Problem
Probable Cause
Remedy
Insufficient airflow
Fan wheel rotating wrong
way
Check fan rotation. Refer to rotation sticker
on fan housing.
Openings not properly
sealed
Check doors, that they are closed and
tightened securely. Also check hopper area
that openings are closed off and that the
hopper dust disposal is installed.
Outlet is restricted
Check outlet for blockage. Remove
material or debris that is blocking the outlet.
Filter elements plugged :
a. Lack of compressed air
b. Pulse cleaning not
energized
c. Dust disposal system is
too full or plugged
d. Hopper full of dust or
plugged
e. Filter elements need to be
replaced
Check compressed air supply for under 6
bar.
Refer to the trouble shooting guide from the
Control manual.
Clean out dust disposal system..
Clean out the hopper.
Replace the filter elements
Solenoid valves/diaphragm
valves are not functioning:
a. Solenoid
valves/diaphragm valves
are leaking compressed
air
b. Pulse control printed
circuit board has failed or
is out of adjustment
Check for debris, obstruction, valve wear or
diaphragm failure by removing the
diaphragm cover on the solenoid valves.
Also check for solenoid leakage damage. If
diaphragm valves or solenoid valves are
damaged replace it or replace damaged
part(s).
Refer to Operating manual of the Controls.
Excessive noise of a
diaphragm valve
Failure on the diaphragm
valve
Check for debris, obstruction, valve wear or
failure by removing the diaphragm cover. If
the diaphragm valve is damaged, replace it
or replace damaged part(s).
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Содержание DFOI3
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