EWT CS 4 COMFORT, Operator'S Manual

Page: 44 / 120

Symptom Possible Causes Possible Causes
Vacuum will
not operate.
Dust comes from
motor cover.
Reduced
efficiency and
motor/speed
vibration.
1) No power supply.
2) Malfunction of electric
cable, switch or motor
.
3) Container full of liquid. 3) Empty container.
1) The dust filter is missing
or damaged.
2) There is a blockage in the
nozzle, the hose, or the
container inlet, or the dust
filter is blocked by fine dust. 1) Check the nozzle, the hose, and the
container inlet for blockage. Take off
the dust filter, and wash and clean it.
Reuse it when it is dry. It is recom-
mended to use a new dust filter.
1) Attach or replace dust filter.
1) Dust bag full 1) Replace dust bag
1) Check power supply – cable,
breakers, fuses.
2) Have a specialist check and repair
or replace the defective component.
44
TROUBLESHOOTING