Symptom |
Possible Cause |
Corrective Action |
Alarm 702 V AXIS POSITION ERROR |
The trolley hit an obstruction. |
Adjust the charging tray. |
A bar is stuck. |
Clear bar path. |
Alarm 712 V AXIS SERVO OVERLOAD |
The belt skipped teeth. |
Grid offset/zero return and check for belt damage. |
The servo motor does not operate correctly. |
Troubleshoot the servo motor. |
Alarm 452 SERVO BAR MOTOR TIMEOUT |
The bar feeder lifter hit an obstruction. |
Remove obstructions from the lifter. |
The DC motor brushes are worn. |
Measure resistance of the DC motor. |
The proximity sensor does not operate correctly. (Load bar) |
Check if sensor state changes in the I/O page. If it does not. Measure voltage to the proximity sensor. |
There is no voltage to the DC motor. |
Measure voltage to the DC motor. |
Alarm 423 SERVO BAR EOB SWITCH POSITION |
The proximity sensor does not operate correctly. (EOB switch) |
Check if sensor state changes in the I/O page. If it does not. Measure voltage to the proximity sensor. |
Alarm 175 GROUND FAULT DETECTED |
Cables are damaged or there is a contaminated electrical connection. |
Check for connector damage. |
The brushes are contaminated or there is a carbon buildup. |
Check for contamination and remove dust. |
Alarm 1015 CHECK SENSOR OR BAR |
The proximity sensor does not operate correctly (Load "Q"). |
Check if sensor state changes in the I/O page. If it does not. Measure voltage to the proximity sensor. |
The belt skipped teeth. |
Grid offset/zero return and check for belt damage. |
Alarm 2092 BAR FEEDER OUT OF POSITION |
The bar feeder is not latched into position. |
Relatch the bar feeder and check the pedal. |
The proximity sensor does not operate correctly (In position switch). |
Check if sensor state changes in the I/O page. If it does not. Measure voltage to the proximity sensor. |
Alarm 9986 BAR LOADER MECHANISM OUT OF POSITION |
The proximity switches have not been activated |
Inspect for proper function of the proximity switches, the associated cables and the trip flag located on the end of the bar loader mecahnism |
There is a mechanical blockage |
Inspect the bar feeder for mechanical failure or obstruction |
The motor or drive clutch are not functioning properly |
Test the function of the motor and check to see that the drive clutch is not slipping |
Machine generates multiple Alarm 20014.1 SIO TOOL CHANGER PCB IS NOT PRESENT and 20014.0 SIO TOOL CHANGER PCB PRESENT after the I/O TC PCB is installed.
|
The I/O or TC PCB firmware is outdated. |
Update I/O Main and TC firmware version to the latest. Refer to Next Generation Control - I/O PCB Main Firmware - Update. |
Intermittent Alarms: 452, 1015, 2092, 9986. |
Noise or electrical interference from high-power cables. |
Apply a ferrite bead to the sensor cables at the I/O board. |
Noisy |
The bearing on the idle pulley is damaged. |
Check for bearing damage. |
Inconsistent push lengths |
Affected by previous push, pushrod timing delay, spindle liner size, chuck jaw size or grip strength. |
Troubleshoot the pusher. |
Bent Push Rod |
A bar is stuck. |
Chamfer the bar, Orient the chuck. |
The bar feeder offset is incorrect. |
Zero return the bar feeder. Reset the bar feeder TC offset. |
There is a mechanical bind in the bar loader arm. |
Check for worn or bent components on the pusher assembly and arm supports. |
Bar not detected |
Bar Feeder is not correctly aligned to machine. |
See the Alignment sections of Haas Bar Feeder - Installation - NGC |
Bar material is reflective. |
Spray paint or scuff the end of the bar. |