Functional check 11
5.3.2 Checking the coarse dust filter
Check the coarse dust filter 13 to determine its general condition:
1. Unclip the coarse dust filter from the back of
OXYMAT 3.
2. If the filter is dirty, clean it. As a general rule,
the filter should be freed from dust once a
week (either by tapping or vacuuming).
3. If the filter is defective, replace it.
5.3.3 Checking the power cord
1. Check the power cord 10.
Make sure that
– the insulation is undamaged,
– the cable is undamaged,
– none of the contacts are wobbly.
2. If any of these requirements are not satisfied,
replace the power cord 10.
5.3.4 Checking the fuse
The fuse holder 15 can be found on the rear of the appliance beneath the power socket 14.
1. Pull the power cord 10 from the socket and
from the device.
2. Press the side tabs on the fuse holder 15 to-
gether and pull out the fuse holder.
3. Check that the correct fuses are installed.
There should always be two fuses installed:
A mains fuse and a spare fuse.
The fuses 39 should carry the following label:
DIN EN 60127-T 2.5 A H 250 V.
4. If necessary, replace the defective or missing
fuses.
5. Push the fuse holder 15 into the housing until it
locks home.
5.3.5 Checking the main switch and LED displays
1. Connect the power cord 10 to OXYMAT 3
and to a wall socket.
2. Connect the dosage monitor or the flowmeter
to the oxygen outlet 5.
13
15
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