User's Manual

6. Maintenance

7.Manual MF0200A0A ION-U_H_17P2_uc_19-July-13.docx User’s

Manual for ION

Page 47

6.3. Cleaning the Heat Sink



Note: Read the health and safety warnings in chapter 1.2 Health and

Safety Warnings as well as the instructions in chapter 6.1 General

before starting with the replacement procedure. Then, proceed as

follows:

1. Switch off the remote unit. Make sure that mains power is disconnected for the

following procedure.

2. Remove the fan plate with the fan unit from the remote unit as described in

chapter 6.2 Replacing the Fan Unit, steps 2 and 3.

3. Use compressed air (max. 5 bar) to dust, dirt, or other debris the heat sink from

back to front.

4. If 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 heat sink material is not scratched or damaged.

5. After cleaning the heat sink, remount the fan unit according to chapter 6.2

Replacing the Fan Unit, steps 5 and 6. Then, switch the remote unit back on.