10 Troubleshooting
10.1 Troubleshooting - LaboPol-20
Error Cause Action
Noise when the machine
starts, or the turntable will not
turn.
The belt is not tight enough. The belt must be tightened.
Contact Struers Service.
The machine does not
operate when the start switch
is pressed.
The main switch is off. Turn the main switch on.
The fuse is blown (located at
the back of the machine).
Replace the fuse.
Water is not draining away. Drain hose squeezed. Straighten the hose.
Drain hose clogged. Clean the hose.
Drain hose does not slope
downwards.
Adjust the hose to an even slope.
Water dripping underneath
the machine.
Leak in water hose or defect
in solenoid valve.
Turn the main switch off.
Disconnect the unit from the
electrical power supply.
Turn the water supply
off.Disconnect the unit from the
water supply, if needed.
Contact Struers Service.
Cooling water stops Water tap on water supply
closed.
Turn the water on.
Built-in water tap closed. Turn the water on.
Built in water tap blocked Clean water tap.
Filter at the water inlet
blocked
Clean the filter with compressed
air only.
10.2 LaboForce-50
Error Cause Action
The specimen mover head
does not rotate.
Switch is set to “off”. If rotation is required, set the
switch to “on”.
Specimen holder plate
vibrates.
Specimen holder plate screws
loose.
Tighten specimen holder plate
screws.
Specimen holder plate
unbalanced.
Replace specimen holder plate.
44 LaboPol-20
10 Troubleshooting