Cause : Internal fault number 4 comes when Data values in EEPROM. Encountering a "data values in EEPROM fault" typically indicates an issue with the data stored in the Electrically Erasable Programmable Read-Only Memory (EEPROM) of a device.

EEPROM is used to store critical data such as configuration settings, calibration parameters, and other important information that needs to persist even when the power is turned off.