The same electrical problem carries a different name on every manufacturer’s display. What matters is capturing yours exactly.
Every drive manufacturer maintains its own fault-code system. An overcurrent event, an earth fault or a DC-bus undervoltage will appear under different codes, names and formats depending on the brand, the product series and sometimes the firmware version. There is no universal dictionary — the manufacturer’s manual for your exact model is always the authority.
Why this matters for multi-brand plants
Plants that run drives from several manufacturers cannot rely on staff memorizing code tables. What travels well between brands is not the code — it is the discipline of reporting: exact code, exact model, exact context. A precise report lets an engineer open the right manual at the right page before leaving for site.
A good fault report contains
- —The code exactly as displayed — including letters, digits and punctuation.
- —The brand, series and full model code of the drive (from the nameplate).
- —The sequence, if multiple codes appeared — first code is often the root, later ones consequences.
- —Operating context: at power-up, at start, under load, during braking, randomly.
- —Whether the code clears with reset and how quickly it returns.
A note on code lookups from the internet
Forum posts and generic code lists are often wrong for your specific series or firmware. A code that means "output overcurrent" on one series can mean something different on the next generation of the same brand. Verify against the manual for your exact model before acting on any interpretation.
When you submit a service request to DUCHENG, the fault code field accepts the code exactly as displayed — that precision is what our engineers work from.