FC300
Chapter 5 Diagnostics and Troubleshooting
Check:
Whether it is in trip condition or hasn’t reset after tripping, Whether
in restarting after power-down condition;
Whether keypad is has been reset, whether it has entered into
Non anomaly observed program running state, multi-section speed condition, running
condition or non-running condition which is set.
Please try factory reset.
Ensure whether running command has been sent out.
Check whether running frequency is set as 0.
Motor fails to accelerate and
decelerate successfully
Improper setting for acceleration & deceleration time;
Current limit is set too small;
overvoltage protection is initiated while decelerating;
Improper setting for carrier wave, excessive load or oscillation occurs.
Improper V/f characteristic setting;
False V/f characteristic datum choice. Reset it;
Motor rotating speed is too high Motor rated voltage is irregular or beyond standard;
or too low
Power supply voltage is too low;
Frequency setting signal gain is not set correctly;
False setting for output frequency.
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