Applicable Systems
FC-302
FC-301
Symptoms
Electronic thermal protection indicates inverter about to disconnect due to overload (output current too high, too long). Warning at 98%, trip at 100%. Meter must drop below 90% to reset.
Possible Causes
- Inverter overload
Troubleshooting Steps
- Step 1: Reduce load; check motor and drive sizing; verify duty cycle.
Fault resolved after action
How to Reset
Reset by: 1) Correct the fault condition. 2) Press RESET button or cycle power. 3) Verify fault does not recur.
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Source: Danfoss VLT 2800 Manual (sinodrive.com)
Category: Electrical
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