Fault code22
EEPROM checksum fault indicates a parameter save failure or operation malfunction with defective components, requiring distributor contact if recurring. The manual's first action is: “If the fault occurs again, ask instructions from the distributor near to you.”
- Model
- Vacon NXS/P
- Display shows
- EEPROM checksum fault (22)
- Type
- Fault code
- Source
- Manual p. 152
What 22 means
EEPROM checksum fault p. 152
Common causes
- Parameter save fault. • operation malfunction • defective component p. 152
What to do
- If the fault occurs again, ask instructions from the distributor near to you. p. 152
Before you service the product, read the safety instructions in the manual p. 13.
If 22 is still not resolved
- Contact service or dealer for assistance. p. 13 “WARNING! Before you do electrical work, make sure that there is no voltage in the components of the drive.”
- Contact service or dealer for assistance. p. 14 “CAUTION! Do not touch the components on the circuit boards. Static voltage can cause damage to these components.”
This page summarises what the manufacturer’s manual says about 22; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Vacon. Found a mistake? Report an error.