Challenge Titan 265, Instruction Manual

Page: 43 / 88

8.0 Maintenance Guide
42
8.1 Troubleshooting
WON’T START
Fuse Blown.
Power cord disconnected.
Main power switch not turned on.
BACKGAUGE DISPLAY INACCURATE
Preset circuit board malfunction.
Encoder malfunction.
Main circuit board malfunction.
BACKGAUGE DISPLAY INACCURATE - BY CONSTANT AMOUNT
Backgauge needs accuracy adjustment.
Presetter malfunction.
CUT BUTTON PUSHED - WON’T CUT
Check error codes.
Guard open (if equipped).
Guard hasn’t been opened since last cut (if equipped).
Hydraulic fluid low.
Main relief valve setting off.
Sequence pressure set wrong.
Cut button defective.
Motor relay defective.
Knife latch solenoid defective.
Knife down coil defective.
Defective directional valve.
Cylinder disconnected from cylinder bracket.
Knife bar dirty or dry, lubricate knife guideways.
Dirt in hydraulic system.
CLAMP STARTS UP BEFORE KNIFE IS UP
Clamp Up Sequence Valve setting incorrect/defective.
CONCAVE CUTTING - ENDS WIDE, CENTER NARROW
Excessive moisture at edges of paper.
CONCAVE CUTTING - VARIATION FROM TOP TO BOTTOM
Soft paper not firmly clamped.
Knife dull or incorrectly grounded.
ERRATIC OPERATION-POWER LOSS
Hydraulic fluid low.
Dirt in hydraulic system.
Oil bypassing piston in cylinder .
Voltage supply is low.
KNIFE DRIFTS DOWN
Knife latch not engaging or damaged.
KNIFE HESITATES OR STALLS
Dull knife.
Main relief valve setting off.
Paper clamped too tight - lower clamp pressure reducer setting.