Mitsubishi FREQROL-SFJ, Руководство по обслуживанию

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Cause
Checkup
'stopped
Remedy
tional
2. Replace
Fuse biown out
Trouble with dis-
charge resistor unit
cooling fan
Trouble with dis-
charge resistor unit
thermosensor
(thermoswitch)
Check the fan remains Replace the fuse.
stopped due to blown out
fuse.
If new fuse is blown out
again,
grounding fault, etc.).
Check wiring of motor Remedy the wiring./
cooling fan and discharge
resistor unit cooling
fan (short-circuit,
Check if resistor unit the cool-
ing fan is in standstill or ing fan.
does not run
Check if thermosensor does Replace the
not reset when the cooling charge resistor
fan is operated for 15 unit.
16 min. with the motor
stopped.
(15) ERROR EXCESS POSITION
This alarm appears if deviation of true stop position
from commanded stop position is excessive in oriented
spindle stop operation or position control loop opera-
tion.
Cause Checkup Remedy
Check if alarm is removed
Set parameter
Parameter (orien-
tation of encoder)
setting improper
type oriented spindle stop
operation.
when bit 8 of
in encoder
0RS2 properiy.