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.