4.2
TROUBLESHOOTING BY ALARM CODES (Cent’d)
4.2.21 ALARMS 3301 TO 3305 (OVERCURRENT)
Table 4.23
Alarms 3301
3305
Causeof Trouble
Control board fault
Current feedback
circuit error
Main circuit
transistor module
error
Motor grounding
Check Method
Solution
Alarm occurs immediately after control power
Replace
is turned ON.
Alarm occurs after main power is turned ON.
Replace
MCCB is not tripped.
SERVOPACK.
Alarm occurs after main power is turned ON.
Replace
SERVOPACK.
Alarm occurs after main power is turned ON.
Replace motor.
MCCB is
4.2.22 ALARMS 3311 TO 3315
TRIP)
Table 4.24
Alarm
to 3315
Trip)
Causeof Trouble
Check Method
Solution
Control board fault
Main circuit
thyristor-diode
m o d u l e e r r o r
MCCB failure
Alarm occurs immediately after control power
is turned ON.
Alarm occurs after main power is turned ON.
Replace
SERVOPACK.
Replace
SERVOPACK.
Alarm occurs after main power is turned ON.
Replace
SERVOPACK.
4.2.23 ALARMS 3321 TO 3325 (REGENERATIVE
Table 4.25
3321 to 3325 (Regenerative Error)
Causeof Trouble
Control board fault
Regenerative
error
Wire break in
regenerative resistor
Check Method
Alarm occurs immediately after control power
is turned ON.
Alarm occurs 0.5 to 1 second after main power
is turned ON. MCCB is not tripped.
Alarm occurs after main power is turned ON.
Solution
SERVOPACK.
Replace
SERVOPACK.
Replace SERVOPACK.
Check regenerative
resistor and replace
if necessary.
Summary of Contents for YASNAC i80
Page 3: ...YASNAC i80 CNC SYSTEM FOR MACHINE TOOLS MAINTENANCE MANUAL v YASUAW14 ...
Page 26: ...1 2 COMPONENTS Cent d 16 14 ACGC Operation Panel Model JZNC IOP1l E u v d 1 2 0 a L ...
Page 30: ... I A om o amvr _ fi___ n ___ __n__n WI c ___________ ...
Page 41: ... Model JANCD FC260 I Ha Approx mass 0 34 kg 1 ...
Page 45: ... rl v JANCD Fc050 1 B r 1 2 q 11 ...
Page 206: ...196 ...