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USER MANUAL JUMBO SERIES
Version 06.03 JUM.EN 27
PROBLEM SOLVING
PROBLEM
CAUSE
SOLUTION
Machine does not work
The plug is not plugged into the wall
socket.
The main fuse is burnt.
The ON/OFF switch’s contact block has
come loose.
The circuit board fuse is burnt.
Plug the plug into the wall socket.
Replace the fuse (Ensure the correct
value).
Check this and if necessary re-fasten it.
Disassemble the front panel and replace
the fuse.
Machine does not work
Operating panel is on
The control transformer fuse is burnt.
The micro-switch that is activated when
the lid is closed is disordered or faulty.
There is an internal malfunction.
Check this and if necessary replace it.
The micro-switch must be properly
adjusted or replaced
Consult the supplier.
Transparent lid does
not open automatically
The gas spring is faulty
Consult the supplier.
Final vacuum is
insufficient
The set vacuum time is too short.
There is too little oil in the vacuum
pump.
The extraction hole at the back of the
vacuum chamber is partially covered by
the vacuum bag during extraction
The lid gasket is worn.
The oil is contaminated
The oil exhaust filter is saturated.
Extend the vacuum time.
Check the oil level and top up if
necessary (Note the type and quantity).
Place the vacuum bag closer to the
sealing beam.
Replace the lid gasket.
Replace the oil (Note the type & amount).
Replace the oil exhaust filter / Consult
the supplier.
.
The machine builds up
a vacuum slowly
The pump’s extraction filter is blocked.
The oil exhaust filter is saturated.
Consult the supplier.
Replace the oil exhaust filter / Consult
the supplier.
27


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Henkelman Jumbo User Manual - German - 31 pages

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