User's Manual

6. Maintenance
Manual ION-M17EP_19P MF0150ACA.docx Manual for
ION
M
17EP
/19P
Page 43
6.3. Cleaning the Heat Sink
 Note: Read and observe chapter 1.2 Health and Safety as well as the instructions
in section 6.1 General before starting with the replacement procedure. Then,
proceed as follows:
1. Switch off the Remote Unit. For the following procedure ensure that mains has been
disconnected before.
2. Remove the fan plate with the fan unit
from the Remote Unit as described in
section 6.2 Replacing the Fan Unit,
steps 1 and 2:
Caution: Risk of injury by flying particles when compressed air is used. Wear
protective clothing, especially protective glasses.
3. Use compressed air (max. 5 bar) to
blow out the heat sink from back to
front.
4. In case the dirt cannot be blown out completely and parts of it stick to the ribs of
the heat sink, clean the parts concerned carefully from the front using e.g. a brush.
Take care that the material is not scratched or damaged.
5. After cleaning the heat sink, mount the fan unit again according to section 6.2
Replacing the Fan Unit step 6. Then, switch the Remote Unit back on.
Brush (not metallic)
Compressed air
(5
ba
r m
a
x.
)