Schneider · Drives
ATV630D22N4 — Schneider Altivar Process ATV630 drive (22 kW): fault codes, repair & supply
The ATV630D22N4 is a Schneider Electric Altivar Process ATV630 drive, 22 kW, 400 V class. Star Automations sources and supplies the ATV630D22N4 and repairs failed units at component level, so you can choose between a replacement and getting your existing unit restored. This is a current OEM line. Availability and price are confirmed per enquiry. Most quotes come back the same day — send the part number or the fault code on WhatsApp.

Common Schneider Altivar ATV630 fault codes and what we usually find
Fault code wording can differ by firmware and manual revision — always confirm against the manual for your exact unit. The causes below are typical findings, not a diagnosis of your specific unit.
| Code | Meaning | Typical cause |
|---|---|---|
| OCF | Overcurrent | Output stage fault, motor or cable short |
| SCF1 | Motor short circuit | Failed IGBT, shorted motor or cable |
| SCF3 | Ground short circuit | Motor or cable insulation fault |
| OBF | Overbraking | Fast decel, brake resistor or chopper fault |
| OHF | Drive overheat | Blocked airflow or failed fan |
| OLF | Motor overload | Overloaded motor or wrong settings |
| USF | Undervoltage | Supply dip or rectifier fault |
When a ATV630D22N4 needs attention
- Fault on the display at start
- Drive will not power up
- Overheat alarm or fan failure
- Short-circuit fault with a good motor
- Trips in pumps or fans under load
Replace or repair your ATV630D22N4
Source a replacement
Send the part number. We check sourcing from global surplus and the OEM channel and reply the same day with availability, condition and price. Advance or verified escrow applies.
Repair your existing unit
If sourcing takes longer or you want to keep your configuration, we repair at component level — power stage, gate-drive, control and supply sections — and test before dispatch.
What people look up for the ATV630D22N4
- ATV630 SCF1 motor short circuit
- ATV630 OCF overcurrent
- ATV630D22N4 repair
- Schneider Altivar repair India
- ATV630 overheat OHF
ATV630D22N4 — common questions
Can you supply the ATV630D22N4 in India?
Can a faulty ATV630D22N4 be repaired instead of replaced?
My ATV630D22N4 shows OCF (overcurrent). What should I do?
Is the exact part number important?
Need the ATV630D22N4 now?
Send the part number or fault code — we reply the same day. Serving Chennai, Puducherry, Bengaluru, Hyderabad, Delhi and pan-India.