Applicable Systems
GA700
GA500
A1000
V1000
J1000
Symptoms
EEPROM fault: EEPROM read/write error.
Possible Causes
- EEPROM failure
- Parameter corruption
- EEPROM write cycle exhausted
Troubleshooting Steps
- Step 1: Reload default parameters
Parameters load without error - Step 2: Verify EEPROM operation
EEPROM stores data - Step 3: Replace control board if faulty
New board stores parameters
How to Reset
Reset via digital operator after EEPROM repair.
Source: Yaskawa GA700 Technical Manual, Yaskawa Electric
Category: PLC & VFD