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Cont ...
9.12
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 supply.
Check fuse (see fuse section).
Check circuit breaker is set.
Check wiring connections.
Pump Jammed.
See controller alarm code (error ER06).
Pump current exceeds
controller set current.
See controller alram code. (error Er06).
Recommended static inlet/
outlet heads exceeded.
Re-position pump (see pump location section).
Internal motor thermotrip
activated.
Wait for thermotrip to auto-reset and check that duty
point and run time is within specification (see technical
specification). (errors Er09 & Er10).
Reduced or no water supply.
Check supply into break tank (error Er01 or Er12).
Pressure transducer fault.
Check wiring to transducer/transducer function (error Er02).
Stopped due to tank level float
switch (if fitted).
Check water/float switch operation (if fitted), (error Er12).
Power failure has stopped
pump.
Ensure the controllers are set to automatically reset after
power failure (setting UP01, set to rA).
Reduced/intermittent flow.
Insufficient water supply.
Check supply into break tank (error Er01).
Incorrect pipe sizes.
Check for correct pipe sizing, see Page 7 - Section 2.20.
Blocked inlet filters.
Clean inlet filters, if fitted.
Pump cannot supply water
required by the system.
Check pump is sized to suit system demand.
Pump runs on with outlets
closed.
Leak in system.
Check terminal fittings and pipe joints.
System pressure set too high.
Check system set pressure is within the capability of the
pump(s) fitted to the set (setting UP05).
or
Pump cycles (hunts) on/off
frequently.
Low pressure in pressure
vessel.
Check pressure in pressure vessel (see maintenance section).
Debris under non-return valve
sealing face.
Run at full flow to try and flush away debris or remove, clean
or replace non-return valve.
