Gardena Comfort 4000/5E Manuale di istruzioni per l'uso - Pagina 10
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Problem
Only Art. no. 1758:
Flow Sensor signal faulty.
Info-LED blinks 2 times.
Pump has no suction within
6 minutes.
The pump sucks nothing up
Pump motor does not start
Info-LED blinks 3 times.
During the current operation,
the pump has extracted no
water for 30 seconds.
Water supply disrupted on the
suction side
Only Art. no. 1758: Flow Sensor
signal faulty
Pump motor does not start
anymore
Possible Cause
Flow Sensor blocked.
Problem on pump side.
Suction hose deformed.
Thermal circuit breaker activated
(motor overheated).
Problem on pump side.
Suction hose bent.
Flow Sensor blocked.
Thermal circuit breaker activated
(motor overheated).
Remedy
v Clean Flow Sensor (see
"Cleaning the flow sensor").
v Immerse suction hose end
under water,
v eliminate any leak on the
suction side,
v clean check valve on the
suction line and check the
mounting direction,
v clean suction filter on the
suction hose end,
v clean filter lid seal and
screw lid until the stopper
(see 6. Maintenance),
v clean fine-mesh filter in the
pump.
v Use a new suction hose.
v Allow the pump to cool
down for 20 minutes.
v Immerse suction hose end
under water,
v eliminate leak on the suction
side,
v clean check valve on the
suction line and check the
mounting direction,
v clean suction filter on the
suction hose end,
v clean filter lid washer and
screw lid until the stop
(see 6. Maintenance),
v clean fine-mesh filter in the
pump.
v Use a new suction hose.
v Clean Flow Sensor (see
"Cleaning the flow sensor").
v Allow the pump to cool
down for 20 minutes.
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