6. Troubleshooting
C O N D I T I O N
6.1
Incorrect Homing/
Cannot Home the
Machine
6.2
Centerline is Off
6.3
Length is not Correct
(The length tolerance of the
ALS 4.0 is ± 1/16 in.)
C A U S E
No power
Axis with fault
Axis is blocked
Warped lumber
T1 axis homing
Length calibration
L1 & L2 clamps not operating
properly
Check belt tension
Mechanical blockage
Clean sensors
Wet or icy lumber
Low Air pressure
(Air pressure should read between
80-90 psi.)
Worn belts
C H E C K
The green LED which indicates
that the power is on should be
illuminated
Call Alpine Equipment Customer
Service.
Visually inspect A1, T1, Z1, B1 (if
equipped) for blockage.
Visually inspect lumber.
Measure the centerline using a
framing square (Figure 128), the
measurement should be 1 ¾ in.
from the back fence.
Check the cut length of the board
using a tape measure.
The clamp should come down
within 1 ¼ in. of the L1 & L2 belts.
Confirm that the rod end of the
cylinder remains intact.
Section 4.8 covers the belt
tensioning procedure.
Visually inspect for mechanical
blockage, especially near the LPS
sensors.
Locate emitters and receivers on L1
& L2 drives.
Visually inspect lumber for
dampness or ice.
Locate the regulator on outfeed of
saw near the bottom of the outside
of the saw cabinet and check the
pressure.
Listen for air leaks.
Visually inspect belts for wear or
cracking.
54
EN
ALS 4.0
P R O D U C T M A N UA L
C O R R E C T I O N
Press the button labeled "power
reset" (Figure 1)
Fault codes must be found using
Alpine Equipment Customer
Service troubleshooting tools in
order to properly resolve this issue.
Remove blockage and restart
homing process.
Re-cut with lumber that is straight.
Try to home T1. Then, re-calibrate
the axis following the instructions
in Section 4.7.
Re-calibrate L1 & L2, following the
instructions in Section 4.9.
Tighten screws on the cylinder if
they appear to have backed out of
their holes.
Replace cylinder if damaged or
inoperable.
Follow the tensioning procedure,
cut a board, and check the length
for correctness.
Remove blockage and re-check
length.
Wipe clean with a cloth, then use
glass cleaner on the face of both
the emitter and receiver.
Remove wet or ice covered board
from the infeed queue allowing it
to dry completely before feeding it
into the saw.
Adjust the regulator.
If an air leak is found it should be
repaired immediately, call Alpine
Equipment Customer Service if
assistance is required.
Rotate belts to even wear, or order
new belts from Alpine Equipment
Customer Service.