Instructions User guide

66
Symptom
Drill incorrectly split
Cause
• Check offsets on the split point offset.
Page. Refer to page 29
• Wheel calibration is off
• Check wheel edge offset on wheel offset
page. Refer to page 28 & 59
• Did not align correctly
Symptom
Material take off varies
Cause
• Check wheel face offset on wheel offset
page. Refer to page 28 & 59
• Wheel calibration is off
• Spindle cartridge loose
Symptom
Drill incorrectly positioned in the honing
process
Cause
• Check offsets on the Hone offset page.
Refer to page 31
• Honing brush calibration is off
Symptom
Drill stops in front of the grinding wheel
and will not continue into the sharpening
cycle
Cause
• Grinding wheel is not rotating – check
fuses
• Machine has hung up – power down ma-
chine and restart
Symptom
Length of time drill is in the grind be-
comes excessive
Cause
• Material take off too excessive
• Grinding wheel needs cleaned. Refer to
page 57
• Grinding wheel needs replaced. Refer to
page 58
• GMC # is too sensitive, decrease GMC #.
• Grind material selection has been changed
from HSS to CARBIDE
Symptom
Unable to secure drill in or release drill
from chuck
Cause
• Solenoid malfunction. Refer to Section 24
• Chuck spindle insert needs cleaned. Refer
to page 47
• Drill is carbide and needs to be centered
while closing the chuck
• Large drill diameter
• Drill has multiple diameters that are inter-
fering with jaws
• Drill has a taper in the shank or on the
body of the drill
Symptom
During initialization chuck tries to rotate
unsuccessfully while making a ratchet-
ing/clicking noise
Cause
• Solenoid has malfunctioned and chuck-
locking pin will not retract. Refer to Section
24
• Solenoid fuse blown
• Driver chip blown
• Drive pulley loose
Symptom
• Unexplained motion
Cause
• Machine temperature is too cold/hot - do
not operate until machine temperature
reaches 7°C (45°F) but not more than 32°
C (90° F)
• Software issues – restore settings from
permanent memory. Refer to page 27
• Download new software. Refer to page 41
• Loss of calibration – Call Darex Corporation
• Machine has moved outside of the limit
switches
• Bad limit sensor
Trouble Shooting Section