Output Current Detection Value Exceeded

What does E.CDO mean?

This fault occurs when the detected output current exceeds a pre-defined level set by parameter M460 (Pr.150), and the detection operation is enabled by M464 (Pr.167). It indicates an excessive current condition, potentially due to an overload or short circuit at startup, causing the FR-A800 inverter to trip.

• The motor or load connected to the inverter draws current higher than the set detection level M460 (Pr.150) (Output current detection level) at startup.
• Parameter M460 (Pr.150) is set too low for the application's starting current requirements.
• Short circuit or ground fault in the motor or motor wiring.
• Parameter M464 (Pr.167) (Output current detection operation selection) is enabled ('1') and the current limit is reached.

Click steps to track your progress.

1. 1

   Verify the motor and load for any mechanical binding, blockage, or starting conditions that could cause excessive current.

2. 2

   Check the motor nameplate current and compare it with the FR-A800 inverter's rated current and parameter M460 (Pr.150). Increase M460 (Pr.150) (Output current detection level) if it is set unrealistically low for the application's startup current.

3. 3

   Check the motor windings and power cables for short circuits or ground faults using appropriate continuity and insulation tests.

4. 4

   Ensure M464 (Pr.167) (Output current detection operation selection) is set appropriately. If this detection is not required for the application, consider setting it to '0'.