Applicable Systems
Modicon M221
Modicon M241
Modicon M251
Modicon M340
Modicon M580
Altivar
Symptoms
Internal calibration fault detected.
Possible Causes
Analog channel calibration data corruption.
Troubleshooting Steps
Power cycle. If persists, replace control board.
How to Reset
Power cycle or replace control board
Common Replacement Parts
- Control board
Source: Schneider ATV630 fault manual
Category: Electrical