Failure Reason Remedy
Knife motor does not run Contactor K1M or K4 is defective Replace
May be replaced by same make /
type only !
Brake of knife motor is defective Replace or repair
CPU N1 defective Replace
’Brake release’ function has
been selected; knife cannot be
moved
Contactor K3 or K6 is defective Replace
CPU N1 defective Replace
Knife partly stops in the cham-
ber
Adjustment of the knife brake has
changed due to wear
Replace or readjust the knife brake
Only for machines with conveyor
conveyor belt does not run Fuse F1, F2 or F3 defective Replace
Conveyor drive motor overloaded Let it cool down (restarting is
carried out automatically)
Conveyor drive motor defective Replace
Power control N2 of the conveyor
drive motor is defective
Replace
Repair instructions
02/2005 123842-GB Page 81
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