Panasonic VF200 Instruction Manual page 122

Indication Details and causes of abnormality
OC1 • Overcurrent during acceleration
OC2 • Overcurrent at constant speed
OC3 • Overcurrent during deceleration
• Internal DC overvoltage during
OU3
acceleration
9. Troubleshooting
Remedies
• Check output for open phase and
remove sharp variations at load side.
• Extend acceleration/deceleration
time (parameters P001, P002 and
P061 to P066).
• Adjust torque boost level (parameter
P007).
• Check for restart operation during
normal operation.
• Stop open and close operation of
magnetic contactor at load side.
• Extend acceleration time
(parameters P001, P061, P063 and
P065).
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