Symptom :

The first pipette on pipette belt is not washed sufficiently

Hint :

Check the condition of the peristaltic pump tubes. They may be worn or leaking. (replace once a month or after 3000 samples)

Attention: The wider bore tube is for the rinse pump. The narrower bore tube is for the saline pump.

Additional information :

Peristaltic pump tubes replacement (WI-162 Peristaltic pump tube replacements)