NOTICE:
Do NOT override the motor protection repeatedly if it has tripped. Doing so may result in
equipment damage.
Cause Remedy
The impeller rotates in the wrong
direction.
• If it is a 3-phase pump, transpose two phase leads.
• If it is a 1-phase pump:
Contact the local Xylem service shop.
One or more of the valves are set in
the wrong positions.
• Reset the valves that are set in the wrong position.
• Replace the valves, if necessary.
• Check that all valves are correctly installed according to media flow.
• Check that all valves open correctly.
The impeller is difficult to rotate by
hand.
• Clean the impeller.
• Clean out the sump.
• Check that the impeller is properly trimmed.
The pipes are obstructed. Clean out the pipes to ensure a free flow.
The pipes and joints leak. Find the leaks and seal them.
There are signs of wear on the
impeller, pump, and casing.
Replace the worn parts.
The liquid level is too low.
• Check that the level sensor is set correctly.
• Depending on the installation type, add a means for priming the pump,
such as a foot valve.
If the problem persists, contact the local Xylem service shop. Always state the serial
number of your pump when you contact Xylem, see Product Description (page 9).
Troubleshooting
Flygt 2250 Installation, Operation, and Maintenance Manual 35
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