Pfeuffer Granolyser User Manual

Malfunctions – causes and rectification
Revision 3 | Granolyser / Granolyser HL operating instructions
41 | 46
9 Malfunctions – causes and rectification
The information provided in this chapter about possible malfunctions is structured to be
understood by specialists in electrical, electronic or mechanical maintenance.
Appropriate tools and test instruments must be provided to these personnel. If the
specified measures do not prove successful, contact Pfeuffer GmbH. It is important for
all questions to specify the correct type designation, serial number and year of
manufacture. Only in this way will rapid processing be possible. The information can be
found on the type plate on the side of the machine housing (rear right).
If you have questions about the software, please additionally specify the version, see
imprint in chapter 7.7.8
.
DANGER
Touching live parts can be fatal!
It is essential to comply with the switch-off procedure prior to cleaning, maintenance or
repair work! (see chapter 2.10)
Problem Cause Rectification
The G
RANOLYSER
is not
working at all.
No mains voltage.
Have the mains voltage checked by
an Electrician and switched on.
Main switch I/0 (ON/OFF) is in
position 0 (OFF).
Set the main switch to position I (ON).
Internal fuse in the mains switch
defective.
Test and replacement by an
Electrician, see chapter 9.2.
Red stripes on the
printout.
Thermal paper roll is reaching the
end.
Install a new thermal paper roll, see
chapter 9.3.
The LED on the printer
flashes 3 times in
succession.
Thermal paper roll is finished.
Install a new thermal paper roll, see
chapter 9.3.
The conveyor wheel
no longer turns.
Possibility of trapped grains or
defective motor.
Contact Pfeuffer GmbH.
The motor no longer
runs.
Defective motor
Contact Pfeuffer GmbH.
The G
RANOLYSER
does
not detect the drawer.
One of the magnets on the back of
the drawer has dropped off.
Attach the magnets (item 1) with
superglue in the places intended,
see figures in chapter 7.2.
Variant HL:
Measurement result:
Red cross symbol †
behind the value for
bulk density
Jammed grain at the hectoliter
module.
This might affect the balance leading
to incorrect bulk density results.
Cleaning the balance module.
You can request a corresponding
service instruction from
Pfeuffer GmbH, stating the serial
number.

Pfeuffer Granolyser Specifications

General

Brand	Pfeuffer
Model	Granolyser
Category	Measuring Instruments
Language	English