Troubleshooting; Audit - probst AIRLIFT ALX-120 Operating Instructions Manual

Troubleshooting

7 Troubleshooting
7.1

Audit

•
The audit should always be carried out with two persons!
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Place the vacuum lifting device on a concrete or tiled surface.
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Switch on the vacuum and check whether a vacuum underpressure is reached.
•
If no vacuum is achieved, clean the dirt strainer and try a new suction plate or silicone foam gasket.
•
When a vacuum underpressure is reached, make sure that the suction release lever is working properly.
•
If routine maintenance cannot restore the lost suction power, have the vacuum lifting device serviced by a qualified
technician.
7.1.1 Troubleshooting:
Low suction or poor pick-up
Possible causes:
•
Airway blocked
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Disposable paper filter is full or wet
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Damaged or unconnected hoses
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Dirty or damaged suction plate seal
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Damaged suction plate
Vacuum motor does not work
Possible causes:
•
Vacuum generator is not plugged in1
•
Failure of the socket or the ON/OFF
switch
•
Thermal protection of the motor
activated
•
Engine damaged
•
Failure of vacuum pump due to wetness
52600018
Remedial action:
•
Check and remove any obstructions to the airflow.
•
Replacing the disposable paper filter.
•
Make sure that all hoses are not damaged and are connected
correctly.
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Wash or replace the seal. Use only soap and water for cleaning.
•
Use a different suction plate or send the suction plate to the
manufacturer for replacement.
Remedial action:
•
Check that the vacuum generator is plugged in correctly.
•
Check all connections and reset all circuit breakers. Check circuit with
another functioning tool.
•
Check if the air flow is obstructed. Allow vacuum generator to cool
down for 60 minutes before continuing operation.
•
Return to the manufacturer.
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Before sucking in the load, remove water from the suction surface.
•
Before switching off the vacuum generator (with the vent flap open),
let it run dry for at least 1 minute.
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