Fanuc Power Mate i-D/H Maintenance Manual

B63175EN/03
7. TROUBLESHOOTING
437
Serial spindle
(servo
amplifier)
(servo
amplifier)
Control
power
supply
Emergency stop
circuit
Servo
motor
Servo
motor
Spindle
motor
Breaker
Breaker
AC
reactor
3phase
Single
phase
Power
Mate
Check items
D Is the PSM control power supply on?
D Has an emergency stop been canceled?
D Is a terminating connector connected to the JX1B connector of the
terminating amplifier?
D Is MCC on? If there is an external MCC sequence in addition to the
MCC contact of the PSM, check that sequence also.
D Is the power for driving MCC supplied?
D Is the breaker on?
D Has some alarm been issued in the PSM or SPM?
If no problem is found in the power magnetic circuit around the amplifier,
replace the servo amplifier.
If the above action does not solve the problem, replace the axis control
cards. (See Subsec. 2.3.2.)
D Example of connection
around the amplifier
(Typical example)
D Replacing the servo
amplifier
D Replacing the axis
control cards

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