Disclaimer:
Products in this specification manual must by regulation be installed by licensed and registered trade people. The manufacturer/distributor
reserves the right to vary specifications or delete models from their range without prior notification. Dimensions and set-outs listed are
correct at time of publication however the manufacturer/distributor takes no responsibility for printing errors.
TROUBLE SHOOTING GUIDE
Symptom
Cause
Remedy
Pump does not start
Float switch isn’t in the on position
Wait until there is enough water in the pit to
start the pump
Float is caught on something and can’t rise
above level
Ensure that the float can move freely
No power supply
Ensure that the pump is connected to a live
outlet
Check fuses and circuit breakers
Pump is blocked
Disconnect the pump from the power outlet,
and check the pump housing and discharge
for foreign matter
No water from pump
Blockages in the pump or discharge
Disconnect the pump from the power outlet,
and check the pump housing and discharge
for foreign matter
Excessive lift
Ensure that the height that you are trying to lift
water is within the pump’s capacity. A larger
pump may be required.
Not enough water in the pit to pump
Wait until there is enough water in the pit.
ensure the float switch is operating freely.
Pump will not stop, even though there is little
water in the pit
Float switch is trapped in the ‘up’ position
Ensure that the float can move freely
Float switch is fused ‘on’
Replace the float switch
Pump runs intermittently; Thermal protection
inside the pump is tripping and resetting
The pump is not completely sunmerged
Ensure pump is covered with water
Water temperature is too high
Ensure that the water temperature limits are
observed
Pump runs intermittently
When the pump shuts off, water in the
discharge line is running back into the pit,
lifting the float switch
Fit a non-return valve at the pump discharge
so that water cannot return to the pit
VADA - V150