S01 Servo 0023 Spindle Controller Alarm

Found bad contacts around spindle power supply and servo drive. Reactor side, too.
Current draw is approximately 5 A DC while spindle is running. Peak starting current is around 120 A DC on DC Link. Later found z-axis was full of chips.

Proceco Washer Heater Not Working

Found water level sensor cable was broken. Barksdale temperature switch was working properly.

2SP-25H Sudden NC Power Down

Found badly loosened connection on realy terminal for lubrication pump.

MH-5B /20 Sudden NC Power Off

Loose terminal was spotted in 24VDC power supply. Fixed and OK.

Whachon ECO 5V 2SP 414 Servo Alarm

Found power connector for X-axis motor completely wet with coolant. Bad burnig smell spotted.
Insulation was found completely broken down.

Servo Alarm S01 0023 / No Orientation only after Tapping Cycle MH-5A / Spindle Speed Loss Alarm

Found spindle speed sensor is damaged. Meanwhile servo alarm S01 0023 was fixed by tightening up loose terminals on AC reactor feeding spindle power supply. Set gap at 0.0055 inch.

MH-4A Alarm S03 52 B

Checked insulation of B-axis power cable and found out it has been broken.
Encoder connector is properly connected.

ECO-2SP3 L/H X-axis Overtravel

Jumped out over travel limit circuit to get the machine out of over travel zone.

Matsuura 700V-DC Y-axis Overload Alarm 401

Cleared up chips around Y-axis ball screw.

Toshiba BMC-5E ATC Magazine Unit Fault

Tool does not return to its original pocket after atc cycle. Looks like contact is bad around I/O board such as magazine encoder signal and magazine output signal for hydraulic motor. Installed restraint strap bar on the I/O rack for proper contact. Or output card relay for magazine cw is acting up or power terminal on solenoid has bad contact.

ECO 2SP3 Turret Alarm

Noticed turret skips position at #6 and found X2.3 (pos. 5) is not making. Freeded up sticky limit switch dog with WD-40. And found another terminal at X2.6 (pos, 8) is loose. Tightened it up. Normal.

OKK HM60 Spindle Amp Trouble (Amp: AL 51 P/S: AL 04)

OKK HM60
When NC control is started magnetic contactor to power supply is pulled in and out without maintaining pulled-in producing "spindle amp trouble" alarm. Replaced power supply. Retaught B-axis zero position that was lost accidently.