lamellas. These can be carefully straightened with
a screwdriver. Lamellas in contact with each other
can cause short-circuiting.
•
Allow for complete drying after cleaning.
9.2.4 Mounting the filters
•
Mount the filters, removed earlier, in reverse order.
Note the correct position of the ioniser and
.
collector. For this purpose, both filters have
arrows indicating the direction of the airflow.
Pay due attention to the position of the
contact pin and contact spring.
10
TROUBLESHOOTING
If the machine does not function (correctly), consult
the checklist below to see if you may remedy the error
yourself (*). Should this not be possible consult a
Problem
Extraction capacity
insufficient.
Dust or smoke from the outlet
grid and/or indicator blinks or is
not lit.
Machine makes a crackling
sound (= short-circuit).
10.2 HFE malfunctioning
Problem
Motor does not start.
0508080010/SFE-HFE/010111/G
Possible cause
Filters clogged or saturated (*).
False air is being sucked (*).
Ioniser and/or collector are saturated
or mounted incorrectly (*) causing
short-circuiting.
No power on filtercell(s).
Poor contacts in the ioniser and/or
collector.
High-voltage transformer defective.
High-voltage PC board defective.
Short-circuit in the ioniser and/or
collector (caused by bent lamellas).
Ioniser and/or collector incorrectly
mounted.
Ioniser and/or collector heavily
polluted.
Ioniser and/or collector not totally dry.
Bent collector lamellas.
Bent or broken ionisation wires.
Metal particles in ioniser and/or
collector.
Possible cause
No mains voltage.
Loose contacts.
Main switch defective.
Blown fuse.
Faulty transformer.
Faulty relay.
qualified service engineer.
WARNING
.
First check whether the error is of a
mechanical or electrical nature. The electric
system can only be serviced or repaired by
qualified and authorised service engineers.
Always switch OFF the machine and disconnect the
mains before carrying out any repairs. First read the
repair instructions at the beginning of this manual.
A number of problems in the checklist below
.
can also be caused by defects in the
connected equipment. This manual only deals
with problems and solutions directly related
to the machine itself.
10.1 SFE malfunctioning
Solution
Clean the filters. See chapter 9.
Check or replace the sealing material.
Clean the filters and mount correctly.
See chapter 9.
Press the "reset" button.
Check and repair.
Replace the high-voltage transformer.
Replace the high-voltage PC board.
Check and repair. See chapter 9.
Mount correctly.
Clean the filters. See chapter 9.
Allow thorough drying after cleaning.
See chapter 9.
Repair. See chapter 9.
Replace. See chapter 9.
Clean the filters. See chapter 9.
Solution
Check the mains voltage.
Repair the contacts.
Repair or replace the main switch.
Replace the fuse.
Repair of replace the transformer.
Replace the relay.
EN - 15