Amada HFA-250 Operator's Manual page 140

Alarm code
E-106
Sawhead
lower limit is
detected
although
predetermined
time is
elapsed after
output of
upward
movement
signal.
E-107 During
automatic
operation,
sawhead
upper limit is
detected
although
predetermined
time is
elapsed after
output of
downward
movement
signal.
E-108 Rear vise
forward limit is
detected
although
predetermined
time is
elapsed after
output of
backward
movement
signal.
E-109 Rear vise
forward limit is
not detected
within
predetermined
time after
output of
forward
movement
signal.
V-8
Cause
Clear alarm.
Lower limit
detection
limit switch is
faulty.
Up-down Clear alarm.
solenoid
valve is
faulty.
Upper limit Clear alarm.
detection
limit switch is
faulty.
Up-down Clear alarm, and check
solenoid valve.
solenoid
valve is
faulty.
Hydraulic oil Restart after warm-up
temperature operation.
is low.
Forward limit Clear alarm.
switch is
faulty.
Proportional Clear alarm.
solenoid
valve is
faulty.
Forward limit Clear alarm, and manually
switch is check work feed operation.
faulty.
Proportional Clear alarm.
solenoid
valve is
faulty.
Remedy
Hydraulic pump
motor stops.
Hydraulic pump
motor stops.
Hydraulic pump
motor stops.
Hydraulic pump
motor stops.
Remarks