YOKOGAWA CQ1 - Page 250

7-12 <7. Trouble Shooting>
IM 80J01A01-01E
If there is dust or water on the 2 holes on the edge of the block, wipe
them.
If there is dust or water in the slit, wipe them.
After cleaning, insert the edge of the block into the slit of the bath and
rotate it clickwise.
Slit