Trouble Shooting - Stuart Turner STUART PH 35 TS Installation, Operation & Maintenance Instructions Manual

6 TROUBLE SHOOTING GUIDE
Symptoms
Pump will not start.
Pump runs, but no
liquid.
6.11 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.
Probable Cause
Electrical.
Pump jammed.
Integral motor
thermotrip activated.
Air locked
No liquid supply.
Connections reversed.
No flooded suction.
Recommended Action
Check power supply.
Check fuse (see fuse section).
Check circuit breaker is set.
Check wiring connections.
If motor 'Buzzes' switch off power and
contact Stuart Turner.
Wait for thermotrip to auto-reset and
check that duty point and run time is within
specification (see technical specification).
Bleed pipework and pump to clear air.
Check the supply valves are turned on.
Check outlet not restricted or blocked.
Check liquid connections are on the right
way round.
Check the pump has a flooded suction and
is primed.
If a suction lift exists fit a Stuart footvalve/
strainer and ensure suction is airtight. Prime
the pump and suction pipe (see plumbing
section).
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