6
MAINTENANCE
The product has been designed to function without problems for
a long time with a minimum of maintenance. In order to
guarantee this some simple, regular maintenance and cleaning
activities are required which are described in this chapter. If you
observe the necessary caution and carry out the maintenance at
regular intervals, any problems occuring will be detected and
corrected before they lead to a total breakdown.
The indicated maintenance intervals can vary depending on the
specific working and ambient conditions. Therefore it is
recommended to thoroughly inspect the complete product once
every year beside the indicated periodic maintenance. For this
purpose contact your supplier.
WARNING
Overdue maintenance can cause fire.
WARNING
Always switch
OFF
compressed air (if applicable) before carrying out the
activities below. First read the maintenance
regulations at the beginning of this manual.
6.1
Periodic maintenance
The maintenance activities in the table below are strictly
reserved for well trained and authorised service engineers.
Text printed in italics refers to options and accessories.
Component
Action
Pre spark
Check for damage and
arresters
correct installation.
Replace if necessary.
Clean pre spark
arresters using an
industrial vacuum
cleaner.
Main spark
Check for damage and
arresters
correct installation.
Replace if necessary.
Clean main spark
arresters using an
industrial vacuum
cleaner.
Filter cartridges
Check for damage and
correct installation.
Replace if necessary.
Dust drawers.
Check for damage and
correct installation.
Replace if necessary.
Empty the dust drawer
underneath the main
filter cartridges,
preferably by using an
industrial vacuum
cleaner.
Doors
Check for damage and
correct installation.
Replace if necessary.
Outlet grid
Clean the outlet grid
using an industrial
vacuum cleaner.
Plasma work grid Check for damage.
Replace damaged bars
if necessary.
Perforated steel
Check for damage and
spark arresters
correct installation.
(underneath
Replace if necessary.
plasma work
grid)
0507060400/151013/G DraftMax Basic | DraftMax Advance | DraftMax Ultra
the system and disconnect the
Frequency
Every
Every 2
week
weeks
X
X
X
X
X
X
X
X
X
X
7
TROUBLESHOOTING
If the downdraft table does not function (correctly), consult the
checklist below to see if you can remedy the error yourself.
Should this not be possible, contact your supplier.
Text printed in italics refers to options and accessories.
WARNING!
After switching off the fan, wait at least 60 seconds
before open any door.
Symptom
General
Fan does not
start running.
Poor extraction
capacity.
Every
12
months
Dust or smoke
coming out of
the outlet.
Working light
not working.
X
DraftMax Advance only
Irregular filter
cleaning.
Poor extraction
capacity.
Problem
Possible cause Solution
Downdraft
No power supply. Check power supply.
table does not
Main switch off.
function.
Motor defective. Repair or replace
/
button
ON
OFF
defective
Fuse(s)
defective.
Overload relay
tripped.
Overload relay
defective.
Left and/or right
door open.
Safety switch in
left and/or right
door defective.
Downdraft
Filter cartridges
table does not
saturated.
function
properly.
Pressure gauge
defective
(indicates value
below 800 Pa).
Sense of rotation
of motor
incorrect.
Pre and/or main
spark arresters
polluted.
Pollution of the
Filter
facility.
cartridge(s)
torn.
No light.
Main switch off.
Cable is not
connected.
Fluorescent light
is defective.
Fuse defective.
One of the
One of the
filter
membrane
cartridges is
valves defective.
not being
cleaned.
No filter
Membrane
cleaning.
valve(s)
defective.
Button
FILTER
CLEANING
defective.
No compressed
air available.
Turn on main switch.
motor.
Replace
/
ON
OFF
button.
Check fuses F1, F2
and F3 and replace if
necessary.
Check current
settings and reset
overload relay.
Replace overload
relay.
Close and lock both
doors.
Replace safety
switch(es).
Replace both filter
cartridges (refer to
section 5.4.1).
Replace HEPA filter
cartridge as well
(refer to section
5.4.2).
Replace Pressure
gauge as well as
filter cartridges
(refer to section
5.4.1).
Replace HEPA filter
cartridge as well
(refer to section
5.4.2).
Invert connection of
phases.
Clean spark
arresters.
Replace both filter
cartridges (refer to
section 5.4.1) and
clean the outlet grid.
Replace HEPA filter
cartridge as well
(refer to section
5.4.2).
Turn on main switch.
Connect cable (refer
to Fig. 2.3B).
Replace fluorescent
light.
Check fuse F4 and
replace if necessary.
Replace both
membrane valves.
Replace both
membrane valves.
Replace button
.
FILTER CLEANING
Repair compressed
air supply.
EN - 14