Stuart-turner RG550-2 User Manual download pdf (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 will not start. Electrical supply. Check power to motor.

Check the circuit breaker is set.

Check the correct fuse is being used.

Starter thermal

overload tripped.

Check overload in starter (if applicable).

Investigate cause of problem.

Internal motor

thermotrip activated.

Wait for thermotrip to cool and auto-

reset. Investigate cause of problem.

Pump runs, but no

liquid.

Air locked. Bleed pipework and pump to clear air.

No liquid supply. Check the supply valves are turned on.

Check outlet not restricted or blocked.

Connections

reversed.

Check liquid connections are on the right

way round.

No flooded suction. 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

commissioning section).

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Stuart-turner RG550-2 User Manual Page 12