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532 Posts
Discussion Starter · #1 ·
IF your SFS is equipped with the clean air ion system it can be checked by the following:

Press the climate mode switch 4 times within 2 seconds while pressing and holding the climate off button:

The display:
00 ='s normal (working)
50 = 's fault (not working)

This is a lot easier than a whiff of air test.
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