Wednesday, December 16, 2009

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.

Saturday, December 12, 2009

2SP-25H Sudden NC Power Down

Found badly loosened connection on realy terminal for lubrication pump.

Saturday, December 5, 2009

MH-5B /20 Sudden NC Power Off

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