9
TROUBLESHOOTING
TECHNICAL SPECIFICATIONS:
Nominal voltage: 220-240 V AC
Nominal frequency: 50/60 Hz
Power Output : 800 - 1000W
Dirt Tank Capacity : 18 Litres
Model number: YLW78
Other maintenance or service not included in the manual should be performed by
an authorized Tevo service representative.
For any questions or concerns, contact customer care listed on page 8.
Machine not
switching on
PROBLEM POSSIBLE CAUSES REMEDIES
1. Power cord not firmly plugged in
or not switched on at wall socket
1. Check electrical plug
Weak suction
power
1. Microparticle Filter dirty or
clogged
1. Remove and clean
Microparticle Filter
as explained on page
8. IT IS IMPORTANT
TO CHECK AND CLEAN
THE FILTER REGULARLY
2. Remove Flexi-Hose,
nozzle and extension
pipes.
Clean and check for
any obstructions
Visible dust
escaping from
the machine
while vacuuming
1. Microparticle Filter not installed
2. Microparticle Filter dirty
1. Check Microparticle
Filter, situated
underneath the
Motor Unit
2. Clean Microparticle
Filter as explained on
page 8
2. Obstruction in Flexi-Hose,
vacuum nozzle or extension
pipes
Machine switches
off during
operation
(Thermal Cut-off
Switch)
1. Filters dirty or clogged, or the
Dirt/Water Tank is full
1. Clean or replace all
filters as explained in
this User Guide
2. Check and clean the
Flexi-Hose and the
extension tube
2. Obstruction in the Flexi-Hose or in
the extension tube
The machine will only switch on after it has cooled down
sufficiently. Permanent damage will be caused to your machine
if you continue to use it without addressing the root cause of the
overheating as explained above
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