DC 3900- 14
Part No 94171-C
2016-06-21
Problem Fault
Solution
Motors will not start.
Machine not connected.
Make sure connection.
The motors stop directly
Incorrect fuse.
Change to correct circuit.
after starting.
Thermal overload not set
Electrician should adjust.
correctly.
Pump runs but no suction.
Hose not connected.
Connect the hose.
Hose plugged.
Find and remove block.
DC 3900c
No plastic sack on the
Mount the correct sack.
cyclone.
DC 3900a
The container is not fi rmly
Secure the container.
attached to the bottom of
the
cyclone.
Pump runs but poor suction.
Hole in the hose.
Change or repair hose.
Plugged
fi lter.
Clean or change fi lter.
Hose too long or too small.
Change the hose.
Hose is kinked.
Check and free.
Machine top is mounted
Adjust the mounting.
incorrectly.
Dust is packed in the
Take off the top and clean
cyclone.
out.
One of the fans is turned
Start it.
off .
Machine blows dust.
Filter is perforated or has
Check the fi lters and change
come loose.
if necessary.
Abnormal sound from
Order service.
machine.
TROUBLE SHOOTING
The warranty period for this machine is two years
and covers manufacturers faults. The warranty is
valid under the condition that the machine is used
under normal conditions on the task for which it
was designed and is maintained properly. Normal
wear is not covered by this warranty.
Warranty
Service performed by other than Dustcontrol or its
authorized agent voids automatically the warranty.
No other warranty express or implied is applicable.
