Sthor 79943 Manual Original página 10

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MAINTENANCE OF THE PUMP
Before carrying out any maintenance work, disconnect the pump from the electrical outlet.
The pump does not require any special maintenance. The pump housing should be cleaned with clean water. It should also
ensure that the water in the reservoir, in which the pump is to work was clean and the pump must always be situated below the
water surface.
Failure
Pump doesn't work
Water fl ows uneven stream
Increase of the pump noise during operation
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Possible cause
Lack of power supply
Water fl ows uneven stream
Increase of the pump noise during
Water level in the reservoir is too low
Damage to the pump
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Solution
Check the power supply connection
Check that the inlet slots are not clogged by dirt
Contact a special repair service
Check is the pump body submerged at least 0.5 m below the
water surface, top up if necessary the water in the reservoir
Contact a special repair service
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