Kuppersbusch MW 800.0, Service Manual

Page: 13 / 39

Service Manual MWG 1000 13
Only for internal use
3. Repair and maintenance
IMPORTANT NOTES
All work and repairs on the components of microwave ovens may only be carried out
by a qualified service technician who has been trained by the manufacturer and
authorized to carry out such work.
Safety can be increased by using special tools such a TORX screwdriver and
measuring instruments to test microwave leakage.
In order to prevent accidents and damage to the appliance, the following rules should
be observed when carrying out repairs:
Before opening up the case disconnect the appliance from the mains or switch
off the main switch of the appliance.
The following points must be checked before the appliance is reconnected to the
mains:
♦
that all internal terminals have been properly connected;
♦
that all wires are insulated and that they do not come into contact with the door
of the appliance, with the case or with any sharp edges;
♦
that all grounding terminals are in perfect condition, electrically and
mechanically;
♦
that no changes have been made to the built-in safety devices and that they
are not manipulated in any other way;
♦
that all spare parts conform to the manufacturers specifications.
WARNING: MICROWAVE ENERGY
NOBODY SHOULD BE EXPOSED TO THE MICROWAVE ENERGY RADIATED BY
THE MAGNETRON, THE WAVEGUIDE OR THE ANTENNA IF THESE ARE
OPERATED INCORRECTLY OR HAVE BEEN IMPROPERLY CONNECTED.
ALL MICROWAVE TERMINALS FOR INPUT AND OUTPUT, THE WAVE GUIDE
AND ALL FLANGES AND SEALS MUST BE FASTENED AND SEALED
CORRECTLY.
THE APPLIANCE MUST NEVER BE PUT INTO OPERATION WITHOUT THE OVEN
CONTAINING A LOAD THAT ABSORBS MICROWAVE ENERGY.
NEVER LOOK INTO AN OPEN WAVEGUIDE OR AN ANTENNA WHEN THE
MAGNETRON IS UNDER VOLTAGE.
THE APPLIANCE MUST NEVER BE PUT INTO OPERATION WITHOUT HOUSING.