Applicable Systems
Vacon 100
Symptoms
Parameter checksum fault: parameter verification error.
Possible Causes
- EEPROM checksum mismatch
- Parameter corruption
- EEPROM component aging
Troubleshooting Steps
- Step 1: Reload default parameters
Parameters load without error - Step 2: Verify checksum
Checksum valid - Step 3: Replace control board if faulty
New board stores parameters
How to Reset
Reset via control panel after parameter reload.
Source: Vacon NXP Quick Guide, Danfoss/Vacon
Category: PLC & VFD