| Type | Comment | count | priority | fname | location | serial | time | value | min | max |
| rl: | 2021 174 04 31 30 Reset Warm -> Tepid from 2021 174 04 31 24 until 2021 174 04 31 25 . Counts: 1,0 | 1 | 3 | B17521.194 | ALERT | #194 | 04:23:38 | | 1 | -1 |
| sr: | Azimuth Steps per revolution measured = 14594 | 1 | 99 | B17521.194 | ALERT | #194 | 05:21:49 | 14594 | 14600 | 14750 |
| sr: | Updating SR constant from 14594 to 14594 | 1 | 99 | B17521.194 | ALERT | #194 | 05:21:50 | 14594 | 14600 | 14800 |
| ds: | DS intensity too high ( 436029/cy) quitting. | 2 | 99 | B17521.194 | ALERT | #194 | 13:07:12 | | 1 | -1 |
| ds: | DS intensity too low ( 174/cy), skipping. | 1 | 99 | B17521.194 | ALERT | #194 | 14:24:23 | | 1 | -1 |
| ds: | Suppressed oscillation of filter wheel. | 4 | 5 | B17521.194 | ALERT | #194 | 20:15:22 | | 1 | -1 |