Maytronics Dolphin Robotic Pool Cleaner Basic 12 Mode D'emploi page 11

6.3 CLEANING THE IMPELLER
6.4 If you notice debris trapped in the impeller:
Make sure the power supply is switched off and unplugged.
CAUTION
Clean the debris trapped in the impeller opening, according to the following steps:
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2
7.1.1
7.1.3
Robotic Pool Cleaner Basic 12 / Classic 12 / Classic 12+
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7.1.2
7.1.4
User Instructions
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