Maintenance and care
VPH 150
V5
10/01/13
17 / 23
6.2
Removing errors
6.2.1
Fault finding
Fault
Cause
Remedy
A vacuum of -0,5 bar cannot be
acieved.
The item to be lifted has splits, recesses
or is porous.
The item is not suitable to be lifted with the
device
The foam rubber is damaged.
Replace the foam rubgber.
The pressure gauge is faulty.
Replace the pressure gauge.
The hose ors screws are leaky.
Replace the relevant parts.
VPH just wont work/ or no
Vacuum available
Battery
Check the battery is fully charged
value
Check the fuse is of the correct value ( 8amp )
and is not blown
seal
Check the seal around baseplate, if possable
remove the seal and clean around the edge of
the plate, and in the groove of the seal, but do
not glue the seal on.
vacuum pipe
Check the fitting that interfaces the vacuum pipe
to the plate and check that it is fully tightened
and has not come loose.
air filter and the fittings
Check the air filter and the fittings such as pipe
clips etc, and make sure they are tightly sealed.
ON / OFF switch
Make absolutely sure that the ON / OFF switch is
working ok.
wires on solinoid valve
Check the wires on the solinoid valve are
connected ok.
short circuit on solinoid
Check the diode on the solinoid ( 1N4001 etc )
has not gone short circuit, you can remove this
completely or just cut it out, Do not replace this
component
pipes to the vacuum pumps
Check all pipes to the vacuum pumps are not
damaged.
foreign bodies
Check that there is a vacuum or pressure on the
pumps and that they have not been damaged by
the ingression of foreign bodies.
Load cannot be sucked.
Prescribed negative pressure
cannot be achieved no more.
Negative pressure diminishes itself
too fast, when switching the
device off.
Leakage at vacuum plate by deposited
dirt between rubber seal and suction
plate.
Rubber seal wore or porously (aging after
effect of UV radiation)
Remove rubber seal from suction plate.
Clean suction plate and slot in rubber seal.
Draw up and fasten rubber seal on suction plate
again.
If necessary exchange rubber seal.
