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Excessive vibration
from pump.
Pump is not on a stable platform.
Relocate pump.
Impeller damage.
Contact Stuart Turner.
Pump is noisy.
Water inlet pipe is too small.
Check inlet pipe size.
Bearing damage.
Contact Stuart Turner.
Impeller damaged.
Contact Stuart Turner.
Pump leaks.
Pipe work not fitted correctly.
Ensure pipework into and out of
the pump is secured sufficiently.
Damaged rotary seal.
Contact Stuart Turner.
8.1 Dry Run Protection:
This pump is fitted with a safety control circuit, which will detect the following fault
condition:
Dry running caused by water starvation to the pump.
Should the pump run out of water it will stop as part of a “protective logic sequence”,
detailed below.
The fault should be rectified before re-starting the pump. Check that there is sufficient
water supply to the pump and also ensure that all terminal fitting outlets are closed.
8.2 Protective Logic Sequence:
If water starvation occurs and the power supply to the pump remains uninterrupted,
the pump controller will perform the following protective sequence.
1. If the pump detects water starvation, it will stop operation.
2. The pump will remain in the off condition for a period of 5 minutes.
3. The pump will then re-start and if the water starvation condition remains
present, the pump will stop operation.
4. The pump will remain in the off condition for a period of 5 minutes.
5. The pump will then re-start and if the water starvation condition remains
present, the pump will stop operation.
6. The pump will remain in the off condition for a period of 5 minutes.
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