Operator`s manual
8.0 Maintenance and Troubleshooting   
18 
8.0 Maintenance and Troubleshooting 
8.1 Maintenance 
 All maintenance on this machine should be performed by trained service 
personnel. Attempting to perform repair and replacement procedures without proper training may 
cause machine damage or operator injury! 
8.2 Troubleshooting 
Problem Possible Cause  Solution 
1.  The machine will not 
power up – no display, 
no line light, and 
machine will not cycle. 
a)  Power cord is disconnected. 
b)  Main power switch/circuit 
breaker is off. 
c)  No power at electrical outlet. 
a) Plug in cord. 
b) Turn power switch/circuit 
breaker on. 
c) Check outlet. Repair or use 
another outlet. 
2.  Display and line light are 
on, but machine will not 
cycle. 
a) Front guard is open. 
b) Front guard has not been 
opened and closed since 
previous cut cycle. 
a) Close front guard. 
b) Open and close front guard. 
3. Backgauge display 
shows: “----“. 
a) Backgauge has not been 
preset. 
a) Preset Backgauge by bringing 
backgauge to front of machine 
4.  Knife cuts deeper on one 
side than the other. 
a) Knife is not seated all the way 
up in knife bar. 
a) Loosen knife screws and use 
knife lifter assembly to raise 
knife up tight. See Section 7.2 
Knife Installation, page 15. 
5. The machine strains 
through a cut. 
a) Dull knife. 
b) Inadequate power source. 
a) Change the knife with a new or 
sharpened one. See Section 
7.0 Knife Installation/Changing, 
page 14 for instructions. 
b) The electrical outlet may not 
have sufficient power if other 
equipment is operating on the 
same line. Try another outlet 
on a different line. 
6.  Concave cutting – ends 
wide, center narrow. 
a) Excessive moisture at edges 
of paper. 
a) Keep paper in dry location. 
7.  Concave cutting – 
variation from top to 
bottom. 
a) Knife dull or incorrectly 
ground. 
a) Change the knife with a new or 
sharpened one. See Section 
7.0 Knife Installation/Changing, 
page 14 for instructions. 










