Homa TP 50, Оригинальное руководство пользователя

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46 | ENGLISH
The machine runs, but not at the stated operating levels
Cause
Remedy
Intake blocked Clean the intake, slider, suction port or intake strainer
Slide in the discharge line closed Fully open the slide
Impeller/propeller blocked or obstructed Switch off the machine, secure it against being switched on again and free the
impeller/ propeller
Incorrect direction of rotation Replace 2 phases on the mains supply
Air in the system Check the pipes, pressure shroud and/or pump unit, and bleed if neces-
sary
Machine pumping against excessive pressure Check the slide in the discharge line, if necessary open it completely
Signs of wear Replace worn parts
Defective hose or piping Replace defective parts
Inadmissible levels of gas in the pumped liquid Contact the factory
Two-phase operation Have a specialist inspect the connection and correct it as necessary
The machine does not run smoothly and is noisy
Cause
Remedy
Machine is running in an impermissible operation range
Check the operational data of the machine and correct if necessary and/
or adjust the operating conditions
The suction port, strainer and/or impeller/propeller is blocked Clean the suction port, strainer and/or impeller/ Propeller
The impeller is blocked
Switch off the machine, secure it against being switched on again and
free the impeller
Inadmissible levels of gas in the pumped liquid Contact the factory
Two-phase operation Have a specialist inspect the connection and correct it as necessary
Incorrect direction of rotation Incorrect direction of rotation
Signs of wear Replace worn parts
Defective motor bearing Contact the factory
The machine is installed with mechanical strain Check the installation, use rubber spacers if necessary
Mechanical shaft seal leaks, sealing chamber monitor reports fault and switches the machine off
Cause Remedy
Increased leakage when running in new mechanical shaft seals Change the oil
Defective sealing chamber cables Replace the moisture sensors
Mechanical shaft seal is defective Replace the mechanical shaft seal after contacting the factory
Further steps for troubleshooting
If the items listed here do not help you rectify the fault, contact our customer service. They can help you as follows:
• Telephone or written help from customer service
• On-site support from customer service
• Checking and repairing the machine at the factory
Note that you may be charged for some services provided by our customer support. Customer service will provide you
with details on this.