8 Troubleshooting
Malfunction
Possible cause
Corrective Action
Pump does not start up
Wrong or loose connection
at motor terminal
Check the connections
Pump is blocked
Leybold Service
Belt is broken
Leybold Service
Motor is defective
Leybold Service
Wrong supply voltage
Check the mains power or inverter
Motor protective switch
triggers
Pump is blocked
Leybold Service
Motor is defective
Leybold Service
Wrong setting of protective
switch
Set according to value in technical
data table
Wrong direction of rotation
Check and change the direction of
rotation if applicable
Wrong supply voltage
Check the mains power
Exhaust line is clogged
Clean the exhaust line
Pump does not reach
vacuum
performance
Inlet filter is clogged
Clean the inlet filter (if in use)
Gas leak at the pump inlet
Eliminate the leak
Wrong rotational speed
Check the mains frequency or
inverter
Wrong setting of gas ballast
Correct if applicable
Inlet seal purge is defective
Leybold Service
Pump is noisy or has high
vibration level
Pump is clogged with
process deposition
Follow the cleaning instructions
Belt is worn/defective
Exchange the belt
Leybold Service
Bearing is defective
Leybold Service
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300766038_002 - © Leybold
Troubleshooting
Содержание 111065
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