Vortex B series - 7.6 Troubleshooting

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www.bluelinevacuum.com
7.8 Troubleshooting
Fault
Possible cause
Remedy
Pump does
not start.
Motor is connected incorrectly.
Connect the motor correctly.
Faulty pressure switch.
Replace the pressure switch.
Oil is too thick.
Change the oil or warm the oil and the
pump.
Motor rotor is malfunctioning.
After sales service.
Pump has seized up: damaged impellers,
bearings or gearwheels.
After sales service.
Pump gets too
hot.
Ambient temperature is too high or cooling
water supply is obstructed.
Install the pump at a suitable site or
ensure enough cooling water.
Pump is working in the wrong pressure
range.
Check pressure values of vacuum
system.
Pressure differential is too great.
Check pressure values of vacuum
system.
Gas temperature is too high.
Check the vacuum system.
Clearance between casing and impellers is
too small due to:
- contamination
- Distortion of pump.
Clean the pumping chamber.
Ensure that the feet and connecting
lines aren’t placing a strain on the pump.
Excessive frictional resistance due to
contaminated bearings and/or oil.
Exchange oil.
Oil level is too high.
Drain some oil to reach the correct level.
Oil level is too low.
Add oil to reach the correct level.
Wrong oil has been used.
Drain oil and fill in correct lubricant.
Bearing are malfunctioning.
After sales service.
Overflow valve does not open.
Clean or repair the valve.
Power
consumption
of the motor
is too high.
See fault “pump gets too hot”.
See fault “pump gets too hot”.
Wrong mains voltage supply for the motor.
Connect the motor to the correct
voltage supply.
Motor is malfunctioning.
Repair the motor or exchange it.
Oil is too thick.
Exchange the oil or warm up the oil and
the pump.