
35
12 Troubleshooting
Problem
Possible cause
The device does not switch on
▪
VDE cable not connected.
▪
Cable connecting the balance and the
heater not inserted.
▪
Fuses damaged (see
Section 13
for any
replacement).
The measurement lasts too
long.
▪
Switching off criterion set in a bad way.
The measurement cannot be
repeated.
▪
Sample is not homogenous.
▪
Drying time is too short.
▪
Too
high
drying
temperature
(i.e.
oxygenation of the sample material,
exceeded the boiling temperature of the
sample).
▪
Temperature sensor dirty or broken.
The weight value changes
continuously.
▪
Draught.
▪
Table/support surface vibration.
▪
Electromagnetic
fields/static
charging
(choose another place of positioning of the
balance/if possible, turn off the system
causing the problems).
13 Replacing electrical fuses
The VDE socket placed on the back of the device is equipped with a pan containing the
electrical protection fuses.
The fuse model to be used is the following:
UTE T 2A 250V 5x25
The replacement must be performed by qualified personnel and with no current.
Remove the VDE cable from the device.
Open the fuse-holder box.
Remove the faulty fuses and insert new ones.
Close the fuse-holder box.