Mitsubishi · Drives
FR-A840-00126-2-60 — Mitsubishi FR-A800 inverter: fault codes, repair & supply
The FR-A840-00126-2-60 is a Mitsubishi FR-A800 series inverter for 400 V-class motors. Star Automations sources and supplies the FR-A840-00126-2-60 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 Mitsubishi FR-A800 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 |
|---|---|---|
| E.OC1 | Overcurrent during acceleration | Output stage fault, motor short, ramp too short |
| E.OV1 | Overvoltage during acceleration | Supply surge, brake circuit fault |
| E.THT | Inverter overload | Sustained overload, degraded power stage |
| E.THM | Motor overload | Motor overload or wrong setting |
| E.FIN | Heatsink overheat | Blocked airflow, failed fan |
| E.ILF | Input phase loss | Blown fuse, loose supply, rectifier fault |
| E.GF | Output-side ground fault | Motor or cable insulation fault |
When a FR-A840-00126-2-60 needs attention
- Trips with E.OC1 on start
- Display blank or inverter will not power up
- Fan failure or overheating alarm
- Output side earth-fault alarm
- Intermittent trips under load
Replace or repair your FR-A840-00126-2-60
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 FR-A840-00126-2-60
- Mitsubishi FR-A800 E.OC1
- Mitsubishi inverter E.THT
- FR-A840-00126-2-60 repair
- Mitsubishi FR-A800 repair India
- FR-A840 ground fault E.GF
FR-A840-00126-2-60 — common questions
Can you supply the FR-A840-00126-2-60 in India?
Can a faulty FR-A840-00126-2-60 be repaired instead of replaced?
My FR-A840-00126-2-60 shows E.OC1 (overcurrent during acceleration). What should I do?
Is the exact part number important?
Need the FR-A840-00126-2-60 now?
Send the part number or fault code — we reply the same day. Serving Chennai, Puducherry, Bengaluru, Hyderabad, Delhi and pan-India.