General:
01905 823 298
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www.akw-ltd.co.uk
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Trouble Shooting
Reported fault
Pump comes on but
does not draw water (cont.)
Pump does not
remove enough water
Possible causes
non-return valves are damaged
Split diaphragm
C’ clips not installed so causing air
ingress
Pump heads direction of flow
incorrect
Non-return valves are not fitted
or incorrectly fitted
Pump not calibrated correctly
to suit the installation
Ingress of air in the pipe work
blockage or debris in pipework
Damage to non-return valves
Debris in pump head
Split diaphragm
C’ clips not installed so causing air
ingress
Checks and work to be undertaken
Check for damage to the
non-return valves
Check diaphragm for damage
Check ‘C’ clips are installed to the
inlet and outlet pipework
Check the direction of flow of the
pump head
Check the non-return valves
are correctly fitted
adjust the calibration and settings
attach temporary pipework to the
inlet side of the pump and get it to
discharge water from a bucket when
shower turned on and sprayed into
the bucket
attach temporary pipework to the
inlet and outlet sides of the pump
and get it to discharge water from
one bucket to another bucket when
shower turned on and sprayed into
the bucket
Remove pump head to check
for damage or debris
Remove pump head to check
for damage or debris
Check diaphragm for damage
Check ‘C’ clips are installed to the
inlet and outlet pipework
