Motor Encoder Index Wrong

Error ID: 6719, 6720

The actual encoder pattern is checked against a known pattern.

Subpages

Probable cause	Suggested actions
1	Encoder was replaced and has a different pattern or no reset of pattern was made Encoder was replaced and has a different pattern or no reset of pattern was made.	Reset pattern via user interface and recalibrate.
2	Encoder lost position completely Encoder lost position completely.	Exchange the monochromator assembly.

Probable cause

Suggested actions

Encoder was replaced and has a different pattern or no reset of pattern was made

Encoder was replaced and has a different pattern or no reset of pattern was made.

Reset pattern via user interface and recalibrate.

Encoder lost position completely

Encoder lost position completely.

Exchange the monochromator assembly.