Trouble Shooting Guide IRAM Plateau de Bure Interferometer
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# Trouble Shooting Guide
IRAM Plateau de Bure Interferometer

S.Guilloteau

Document probably older than you think

Version 2.0

(1) Institut de Radio Astronomie Millimétrique
300 Rue de la Piscine
F-38406 Saint Martin d'Hères

This document gives some information about troubleshooting at the IRAM Plateau de Bure interferometer.

Note: this is the on-line version of the "Trouble Shooting Guide" A PDF version is also available.

Related information is available in:

- IRAM Plateau de Bure Interferometer: OBS Users Guide

- Contents
- Description
- The Real Time system BURE1
  - The Tasks and Programs
  - Commons
  - Synchronisation
  - Configuration and Initialisation Files.
- Diagnostic Tools
  - STSA
  - FLAG
  - WHY
  - DMP and READ_ACQUIS
- Programs on the various microprocessor
  - The POINTING micro
  - The RECEIVER micro
  - The CLOCK micro
  - the PHASER micro
  - The MASTER and SATELLITE micros
- ``Normal State'' Definitions
- Standard Check List
- Trouble Shooting Receipes
  - Nothing Happens
  - Antenna won't move
  - Antenna does not reach source, but keeps trying
  - Scan does not start
  - Crazy calibration results
  - No single-dish continuum data
  - No single-dish spectral lines
  - Multi-dish continuum OK, but no fringes at all on XAFF
  - Multi-dish continuum OK, but no fringes on one antenna on XAFF
  - Unusually high Tsys on one antenna
  - Lower intensity on some baselines on XAFF display
  - Intensity jump on two baselines
  - Fringes suddenly disappear
  - Correlator subband not working on one antenna
  - Other funny problem
  - Other not funny problem
- About this document ...