Xylem FLYGT Concertor, Installation, Operation And Maintenance Manual

Page: 56 / 60

Cause Remedy
One or more of the valves are set in
the incorrect positions.
• Reset the valves that are set in the incorrect position.
• If necessary, replace the valves.
• Check that all the valves are installed correctly according to the media
flow.
• Check that all the valves open correctly.
The impeller is difficult to rotate by
hand.
• Clean the impeller.
• Clean the sump.
• Check that the impeller is trimmed correctly.
The pipes are obstructed. To make sure that there is a free flow, clean the pipes.
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, provide equipment for the pump
priming, for example, a foot valve.
The Set Power or the Set Speed
parameter is too low.
Change the settings. For more information, see the User Guide.
The impeller rotates in the incorrect
direction. The connections inside the
connection housing are incorrect.
Contact a sales or authorized service representative.
If the problem persists, then contact a sales or authorized service representative.
Always state the product number and the serial number of the product.
8.9 Dirigo ™ Service Tool: The communication with the unit fails
Cause Remedy
The control leads are not correctly
connected.
1. Connect the leads correctly.
2. Try again to run Dirigo
™ Service Tool.
The value for Com port under Control
> Pump communication is not
correct.
1. Select the correct value.
2. Try again to run Dirigo
™ Service Tool.
If the problem persists, then contact a sales or authorized service representative.
Always state the product number and the serial number of the product.
8 Troubleshooting
54 6020.180/090 Installation, Operation, and Maintenance Manual