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USER MANUAL Chapter 9 Troubleshooting • 155
Stability
SYMPTOM DIAGNOSIS CAUSE REMEDY
Servo motor runs away
when the loop is closed.
Reversed Motor Type
corrects situation (MT -1)
1. Wrong feedback
polarity.
Reverse Motor or Encoder Wiring
(remember to set Motor Type back
to default value: MT 1)
Motor oscillates.
2. Too high gain or
too little damping.
Decrease KI and KP. Increase KD.
Operation
SYMPTOM DIAGNOSIS CAUSE REMEDY
Controller rejects
commands.
Response of controller
from TC1 diagnoses error.
1. Anything Correct problem reported by TC1
Motor Doesn’t Move
Response of controller
from TC1 diagnoses error.
2. Anything Correct problem reported by SC