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26 MUW216743-2
Problem Cause and remedy
Knocking noise in the wash
cabinet
• One or more spray arms are knocking against the wash load. Cancel the programme. To
do this follow the instructions in Section 4.7, Cancelling a Programme.
• Arrange the wash load so it cannot obstruct the spray arms. Make sure the spray arms
can rotate freely. Start the programme again.
Rattling noise in the wash
cabinet
• Items are insecure in the wash cabinet. Cancel the programme. To do this follow the
instructions in Section 4.7, Cancelling a Programme. Rearrange the load so that items are
secure. Start the programme again.
Knocking noise in the water
pipes
• This may be caused by the on-site installation or the cross-section of the piping. It has no
inuence on the function of the machine. Contact a suitably qualied plumber.
Problem Cause and remedy
Serial printer fault: no paper The printer has run out of paper.
• Replenish the paper.
Serial printer fault: oine The washer-disinfector cannot connect to the printer.
• Switch the printer on. Check the connection between the washer-disinfector and the
printer. If in doubt, have the conguration of the interface checked by a suitably qualied
person.
If the printer has been replaced, the printer type must be adjusted in the interface
conguration.
Serial printer fault: general
fault
The printer is not ready for operation.
• Check the printer for fault messages.
• Change the printer cartridge if necessary.
Fault F559 Fault with printer or connecting cables
• Check connecting cables
• Close the printer door
6.10. Noises
6.11. Printer/ Serial Interface