Oase OptiMax 2000 Notice D'emploi page 27

3. Remove the impeller unit.
– If necessary, use a wide-blade screwdriver to lever the impeller unit out of its position in the mo-
tor housing. For this, insert the screwdriver blade into the groove between the impeller unit and
motor housing, and firmly turn the screwdriver in order to dislodge the impeller from its posi-
tion.
– Proceed carefully so as not to damage the motor housing or O ring.
4. Clean or replace the impeller unit and subsequently reassemble the pump in the reverse order.
– OptiMax 4000/5000: Firmly push the impeller unit into position in the motor housing.
Malfunction remedy
Malfunction
The unit does not start up
Water flow insufficient
Only submersed during installa-
tion
Cause
No mains voltage
Impeller unit blocked
Pump housing or impeller unit
soiled
Flow controller set to insufficient
flow rate
Impeller unit worn
Pump housing clogged
Remedy
Check the mains voltage.
Clean the unit
Clean the unit
Move the flow controller in the +
direction
Replace the impeller unit.
Clean the unit
EN
27