Fault
Cause
Solution
Pump does not run
No power to pump
Check power supply
Attach leads/clean connections
Check faucet microswitch if present
Fuse has blown
Replace fuse
Blockage in pipework
Check pipework for kinks
Pump runs but no water
appears
No water getting to pump
Check that water tank is not empty
Check strainer is not blocked
Check all connections from tank to inlet of pump
are secure - any air leaks will prevent prime
Water leaking at outlet side of
pump
Check pipework/fittings for leaks and repair
Check system drain plugs are closed
Pump runs but will not switch
off
Water leaking at outlet side of
pump
Check pipework/fittings for leaks and repair
Check system drain plugs are closed
No water
Check water supply level
Pump cycles on and off
periodically when all the taps
are closed. (Normal with a
partially opened tap)
Water leaking at outlet side of
pump
Check pipework/fittings for leaks and repair
Check system drain plugs are closed
Pump cycles on and off
excessively when tap/s are
open
Excessive back pressure
Check pipework for kinks and filters etc. are clear
Check shower rose/taps for blockage and repair
Check
www.whalepumps.com/pressure_pump_selector
to verify the correct pump is fitted
Noisy operation
Pump drawing air
see cause 'No water getting to pump' (see above)
Noise created by vibration
Check pump is secured to solid surface
Check pump body is not in contact with hard
surfaces
Locate away from interferring surfaces
Check pipework is securely supported
Low flow
Bore of pipework connection too
small
For 8 litre versions 8.5mm minimum bore
recommended
For 10 and 12 litre versions use 10mm minimum
bore recommended
Check for kinks in pipework
Check pipework is not blocked
Power supply to the pump
Check power supply to pump uses correct gauge
wire (2.5mm
2
/AWG 13) to give full voltage at
pump
Check battery is not discharged
Pipework / connections crushed
due to overtightened jubilee clips
Replace damaged connections
Pump too far from water tank
Pump should be situated beside water tank
Water leaking at outlet side of
pump
Check pipework/fittings for leaks and repair
Check system drain plugs are closed
Pump strainer clogged
Remove clear lid, rinse and replace to main
strainer body (retain strainer mesh to lid)
Trouble Shooting
Munster Simms Engineering Ltd.
Old Belfast Road, Bangor, N. Ireland BT19 1LT Tel: +44 (0)28 9127 0531 Fax: +44 (0)28 9146 6421
Web: www.whalepumps.com Email: [email protected]
Ref No. 765.09 v4_1110
