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Q : GD200A-18G-4 reports overload and the frequency doesn’t increase during operation — how to fix it?
A: GD200A-18G-4
Application condition: Ordinary speed regulation for asynchronous motor drying equipment.
Fault phenomenon: The frequency of the VFD does not increase after operation and reports overload. How to solve it?
Check the fault record for 6.6Hz/51V/68.8A. The static measurement of the main circuit using a multimeter shows no abnormalities. The clamp meter measures the actual current and the VFD display is consistent. Checking parameter P04.01=10.
Solution: Optimize torque boost parameter P04.01=1. The torque boost parameter P04.01 should be adjusted appropriately according to the actual situation, not the larger the better.
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