McGraw failure and a surprise for robot control
Problem(s) Encountered:
1. Before start of night, mcgraw stopped working and TCS GUI failed. MIS was not responding.2. It turns out that the...
Filter wheel connectivity issue
Problem(s) Encountered:
Filter wheel will not initialize in xmis2.
Solution:
Filter wheel is connecting again. Was...
"Dropleaf still busy" error--cannot close dome shutter
Problem(s) Encountered:
When we try to close the dropleaf, the warning "ERRO dropleaf still busy" occurred and we can not close the dropleaf...
Guide camera-Maxim DL software disconnect
Problem(s) Encountered:
Toward morning, the connection between Maxim DLI and the FLI guide camera was lost twice. I re-established the connection...
MIRAGE computer failure
Problem(s) Encountered:
MIRAGE computer not responding so camera cannot take images. Need someone to take a look at the laptop.
Solution:
Dropleaf won't open and humidity
Problem(s) Encountered:
Some problems: Dropleaf didnt open at start of night until Eric helped out with restarting the slit server. We were...
Dome won't open, weather-related?
Problem(s) Encountered:
I got a phone call from robot that dome socket is not responding anymore.The logs say that observations ran for ~...
Owl header issue--information missing
Problem(s) Encountered:
At opening, the Owl system was not capturing the telescope position.
Solution:
Cycling Owl and...
Motion failure, zero'ing coordinates, telescope servers and documentation
Problem(s) Encountered:
The telescope refused to move from my first target to my second. I tried "telescope stop" and "telescope start" and...
Dome tracking stoppage
Problem(s) Encountered:
The only issue was that during one of our 5 min exposures, the image looked trailed, and when checking the guiding...
1.3m Trouble Reports & Solutions
Recent trouble reports for the McGraw-Hill 1.3m telescope. Note that you may find it worthwhile to peruse the 2.4m reports as well in case your problem is instrument-related.
Scroll down for a link to the complete archives.
To open a simple and searchable database containing all archived trouble report solutions, click on the following links. While there are individual links for each telescope, it is worthwhile to search both databases in the event that you experience trouble:
•Hiltner 2.4m Trouble Report Database (2026Nov11)
•McGraw-Hill 1.3m Trouble Report Database (2026Nov11)