Fanuc Power Mate i-D/H Operation Maintenance Handbook

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Number ContentsMessage
443 n AXIS : CNV. COOLING
FAN FAILURE
1) PSM: The internal stirring fan
failed.
2) PSMR: The internal stirring fan
failed.
3) β series SVU: The internal stir-
ring fan failed.
444 n AXIS : INV. COOLING FAN
FAILURE
SVM: The internal stirring fan failed.
445 n AXIS : SOFT
DISCONNECT ALARM
The digital servo software detected a
broken wire in the pulse coder.
446 n AXIS : HARD
DISCONNECT ALARM
A broken wire in the builtin pulse
coder was detected by hardware.
447 n AXIS : HARD
DISCONNECT (EXT)
A broken wire in the separate detec-
tor was detected by hardware.
448 n AXIS : UNMATCHED
FEEDBACK ALARM
The sign of feedback data from the
built–in pulse coder differs from that
of feedback data from the separate
detector.
449 n AXIS : INV. IPM ALARM 1) SVM: IPM (intelligent power
module) detected an alarm.
2) α series SVU: IPM (intelligent
power module) detected an
alarm.
460 n AXIS : FSSB
DISCONNECT
FSSB communication was discon-
nected suddenly. The possible
causes are as follows:
1) The FSSB communication cable
was disconnected or broken.
2) The power to the amplifier was
turned off suddenly.
3) A lowvoltage alarm was issued
by the amplifier.
461 n AXIS : ILLEGAL AMP
INTERFACE
The axes of the 2axis amplifier
were assigned to the fast type inter-
face.
462 n AXIS : SEND CNC DATA
FAILED
Because of an FSSB communica-
tion error, a slave could not receive
correct data.
463 n AXIS : SEND SLAVE
DATA FAILED
Because of an FSSB communica-
tion error, the servo system could not
receive correct data.
464 n AXIS : WRITE ID DATA
FAILED
An attempt was made to write main-
tenance information on the amplifier
maintenance screen, but it failed.
465 n AXIS : READ ID DATA
FAILED
At powerup, amplifier initial ID in-
formation could not be read.
466 n AXIS : MOTOR/AMP
COMBINATION
The maximum current rating for the
amplifier does not match that for the
motor.
NOTE If any of servo alarms 400 to 466 occurs, investigate the cause of
the alarm and take appropriate action, as described in the mainte-
nance manual.

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