Maintenance &
troubleshooting
60000-52-03
DDE 1500
29
7.9 Rectifying faults
DANGER
Electric shock from high voltages
Any work on the electrical grid and on live components parts may only be
performed by an electrician.
CAUTION
Damage from dust leaks and dust trails at air outlet openings.
Turn the product off at the main switch immediately.
CAUTION
Danger from the fan producing smoke and loud running noises
Turn the product off at the main switch immediately.
CAUTION
Damage due to dust release
Maintenance, cleaning, repair and emptying work may be done only by
expert personnel.
Wear personal protective equipment.
-
Respirator mask (particle filter class P3)
-
Protective clothing
-
Protective gloves
-
Eye protection
Set up locally filtered forced-air ventilation where the product is being
maintained, inspected or cleaned.
Fault
Possible cause
Possible solution
Suction too weak
Filter soiled.
Clean filter.
Throttle is shut too firmly.
Open throttle accordingly.
Clog due to deposited
residue in the suction pipe
system
Check the suction pipe
system for deposited residue
and clogs, and clean it if
necessary.
Suction power of the
product declines and
does not improve
after cleaning.
Filter worn.
Perform filter change.
Collection drawer full.
Replace disposal carton;
empty collection drawer if
necessary.
The resistances in the
suction system are too high.
Check suction pipe; if
necessary, use pipeline with
larger diameter or reduce
length of pipeline.
Motor protection
trips.
Motor was switched on/off
too often
within a short period of time
Please consult the "Activation
operations for motors" table.