Yaskawa i80M Maintenance Manual - Manual (Page 108)

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.