Wilo -EK Montageanleitung Seite 17

8 Faults, Causes
Fault
Pump does not start
Pump does not stop
Pump runs irregularly
Pump is jammed
If the fault cannot be located or rectified, please contact your nearest
Wilo representative.
Unit-related Cause
- defect printed circuit board
- defect diaphragm
- defect printed circuit board
- jammed flow controller - stuck
reset button
- Pump does not generate sufficient
pressure
- defekt printed circuit board
- Pump does not generate sufficient
pressure (air)
- defect printed circuit board
- pump generates pressure < start
pressure
- defect diaphragm
- refer to Installation & Maintenance
Instr. of the pump
Unit-unrelated Cause
- Power failure
- Pump capacity too low
- Pump mechanically jammed
- WILO-Fluidcontrol wrongly
connected
- Lack of water at suction side
- Leakage loss greater than 0.6
l/min
- Leakage loss greater than 0.6
l/min
- Lack of water at suction side
- Pump capacity too low
Technical modifications reserved!
ENGLISH
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