Fosite Err21 fault code meaning
Fosite / Err21
Series: FST-650L, FST-650S
EEPROM read/write error
integrated elevator controller
Meaning:
Possible causes
Source:
Series: FST-820
Rotary encoder fault
AC drive
Meaning:
Possible causes
Source:
Fosite / Err21
integrated elevator controller
Meaning:
Source:
AC drive
Meaning:
Source: