Stuart Turner Submersible Supersub VA - Manual (Page 12)

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TROUBLE SHOOTING GUIDE
ENVIRONMENT PROTECTION
Your appliance contains valuable materials which can be recovered or recycled .
At the end of the products’ useful life, please leave it at an appropriate local civic waste
collection point .
Symptoms Probable Cause Recommended Action
Pump stops running . Thermal overload protection
has tripped .
Disconnect the power supply to the pump .
Check to ensure the pump is connected to the correct voltage
supply .
Check to ensure the impeller is not jammed and can rotate
freely .
Check to ensure water to be pumped does not exceed
recommended temperature, ensure pump has not run dry and
is fully submerged if running continuously .
Check probable causes and remedy, allow to cool reinstall
and connect cable .
Pump will not start . Power not connected to the
electricity supply .
Check the cable is connected correctly and power supply is
switched on .
Check fuse .
Impeller Jammed . Clean away debris from the impeller .
Float switch not working . Ensure float can move freely .
Water level under minimum
requirements .
Increase the depth of the sump .
Pump runs but no water is
supplied .
Low water level . Ensure the pump is fully submerged in the water .
or
Impeller jammed . Free obstruction
Ensure that the pump is not able to suck air in (low water
level) .
Poor performance . Discharge pipe clogged . Remove pipe and ensure the discharge is clear of any debris .
Suction filter blocked . Check inlet pre-filters, (if fitted), and integral inlet grille are
free from blockage .
Required head is too high for
the pump characteristics .
Refer to limits of application section .
Pump will not stop . Pump is not disabled by the
float .
Ensure float can move freely .