Pfeuffer Sample cleaner MLN User Manual

Disruptions – causes and rectification
Revision 3 | Operating instructions sample cleaner MLN
33 | 38
9 Disruptions – causes and rectification
The references about possible malfunctioning stated in this chapter are explained in
such a way that they are understood by skilled personnel from electric/electronic or
mechanical/ maintenance departments.
These personnel must be provided with corresponding tools and testing equipment.
If the stated measures are not successful, please contact Pfeuffer GmbH.
Correct information of type designation, serial number and year of manufacture is
important for all queries; this ensures fast processing.
The deactivation procedure must be carried out before cleaning, maintaining or
repairing the machine! (refer to chapter 2.9)
Problem Cause Rectification
Machine does not show any
function.
System voltage not available.
Control switch ON/OFF
remains at OFF.
Internal fuse defective.
Get the system voltage checked
and activated by an electrically
skilled person.
Switch the control switch ON.
Checking and replacement by an
electrically skilled person.
Deawner bottom does not
open/close.
Pre-set (using nut on locking
lever) opening degree of the
deawner base has changed.
Trapped grains.
Trigger magnet without
function
Reset the opening degree
correctly with the help of nut and
locknut at the locking lever.
Shake the locking lever for the
deawner bottom and actuate the
control switch for manual
opening.
Checking and replacement by an
electrically skilled person.
Filler cap cannot be opened.
Trigger magnet does not
respond.
Pull up the locking lever slightly
by hand, which is located at the
centre under the filling cup.
Specifications about dysfunctions of the motor and control unit and its causes can be
obtained from the respective Operating Instructions of the manufacturer!

Pfeuffer Sample cleaner MLN Specifications

General

Brand	Pfeuffer
Model	Sample cleaner MLN
Category	Laboratory Equipment
Language	English