diff --git a/AuxTel/AuxTel-Troubleshooting/ATCS-Troubleshooting/ATMount-fails-move-timeout.rst b/AuxTel/AuxTel-Troubleshooting/ATCS-Troubleshooting/ATMount-fails-move-timeout.rst new file mode 100644 index 00000000..c3a6ad33 --- /dev/null +++ b/AuxTel/AuxTel-Troubleshooting/ATCS-Troubleshooting/ATMount-fails-move-timeout.rst @@ -0,0 +1,62 @@ +.. Include one Primary Author and list of Contributors (comma separated) between the asterisks (*): +.. |author| replace:: *Paulina-Venegas-S.* +.. If there are no contributors, write "none" between the asterisks. Do not remove the substitution. +.. |contributors| replace:: *Karla-Aubel*, *Ioana-Soutela* + +.. This is the label that can be used as for cross referencing this procedure. +.. Recommended format is "Directory Name"-"Title Name" -- Spaces should be replaced by hyphens. +.. _AuxTel-Mount-Fails-to-Move-and-Times-Out: +.. Each section should includes a label for cross referencing to a given area. +.. Recommended format for all labels is "Title Name"-"Section Name" -- Spaces should be replaced by hyphens. +.. To reference a label that isn't associated with an reST object such as a title or figure, you must include the link an explicit title using the syntax :ref:`link text `. +.. An error will alert you of identical labels during the build process. + +######################################### +AuxTel Mount Fails to Move and Times Out +######################################### + +.. _AuxTel-Mount-Fails-to-Move-and-Times-Out-Procedure-Overview: + +Overview +======== + +In this troubleshooting guide, we address an issue where the telescope times out while getting into position. +All ATCS CSCs indicated no faults. However, the ATMCS EUI showed several low air pressure faults. An air leak was discovered at the telescope base. + +.. _AuxTel-Mount-Fails-to-Move-and-Times-Out-Procedure-Error-Diagnosis: + +Error diagnosis +=============== + +The queued **latiss_aquire_and_take_sequence.py** script report the following error: + +.. code:: + + File "/net/obs-env/auto_base_packages/ts_observatory_control/python/lsst/ts/observatory/control/auxtel/atcs.py", line 1658, in wait_for_inposition + raise RuntimeError(error_message) + RuntimeError: Telescope timed out getting in position. +.. + +No ATCS CSCs is in fault, all CSC green, but the ATMCS EUI did indicate several low air pressure faults. An on-site check at the dome found the compressor running at pressure, but there was a noticeable air leak at a fitting at the telescope base. + +However, since no CSCs were actually reporting faults, the leak might not be critical and the proximate cause in this case might actually being a lost DDS message between the ATMCS and ATPTG CSCs. + + +.. _AuxTel-Mount-Fails-to-Move-and-Times-Out-Procedure-Procedure-Steps: + + +Procedure Steps +=============== + +.. note:: + From LOVE. + +.. _AuxTel-Mount-Fails-to-Move-and-Times-Out-Procedure-Critical-Step-1: + +The recovery is detailed below. + +#. Stop the Scheduler and clear any pending scripts. In the queue send the **auxtel/scheduler/stop.py** script and resume queue. + +#. Cycle the **ATTCS:ATPtg** CSCs to standby and back to enabled. + +#. Confirm mount is now responsive by queueing command **auxtel/point_azel.py**, specifying an azimuth and elevation some distance away from the current mount position, and observing mount motion. \ No newline at end of file