79 Mazak M4 Fanuc 5T
A few weeks ago I was trying to make parts in a 15 degree shop and the hydraulic pump motor had a melt down (15 degree oil probably didn't pump so well). A winding in the motor shorted to ground, but the contactor heater did not trip. A filter capacitor exploded and a circuit breaker melted. Lots of smoke.
Last week replaced the motor first- It then would trip the heater about every 30 minutes, but the machine worked fine otherwise.
Today I Replaced heater and contactor and breaker feeding them and cut out filter capacitor. Went to start it up and the control sort of turns on? It turns on and the position display is on, but the main display is jibberish. says 4040404040 across the display and half the LED's are lit. Hydraulics don't turn on. Spindle drive does not come up. Of coarse the machine ready light is not lit.
All I did was replace a contactor. I even pulled out all the stuff I replaced and put the crummy burned stuff that sort of worked back in. No change.
The main board inside the refrigerator has a red LED lit that says +/-15. Batteries are good. All 75,000 fuses that I have found in the machine look good. There seems to be 24 volts in various places, but there are a bunch of power supplies scattered throughout the various cabinets.
This has been such a great machine. On one hand it's atleast 20 years past expired, but on the other it works so good and it ALWAYS works. It is hands down the most reliable CNC I have ever owned. Fingers crossed this is something dirt simple and I just knocked something loose in there.
Anyone remember how the 5T gets "ready"?
A few weeks ago I was trying to make parts in a 15 degree shop and the hydraulic pump motor had a melt down (15 degree oil probably didn't pump so well). A winding in the motor shorted to ground, but the contactor heater did not trip. A filter capacitor exploded and a circuit breaker melted. Lots of smoke.
Last week replaced the motor first- It then would trip the heater about every 30 minutes, but the machine worked fine otherwise.
Today I Replaced heater and contactor and breaker feeding them and cut out filter capacitor. Went to start it up and the control sort of turns on? It turns on and the position display is on, but the main display is jibberish. says 4040404040 across the display and half the LED's are lit. Hydraulics don't turn on. Spindle drive does not come up. Of coarse the machine ready light is not lit.
All I did was replace a contactor. I even pulled out all the stuff I replaced and put the crummy burned stuff that sort of worked back in. No change.
The main board inside the refrigerator has a red LED lit that says +/-15. Batteries are good. All 75,000 fuses that I have found in the machine look good. There seems to be 24 volts in various places, but there are a bunch of power supplies scattered throughout the various cabinets.
This has been such a great machine. On one hand it's atleast 20 years past expired, but on the other it works so good and it ALWAYS works. It is hands down the most reliable CNC I have ever owned. Fingers crossed this is something dirt simple and I just knocked something loose in there.
Anyone remember how the 5T gets "ready"?