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A [[computer]] system's '''diagnostic mode''' or '''diagnostic cycle''' was used to ascertain whether or not there were problems or inconsistencies in a [[starship]]'s main systems, including the [[transporter]]s.
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{{pna-pov}}
  
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A [[computer]] system's '''diagnostic mode''' is used to ascertain whether or not there are problems or inconsistencies in a [[starship]]'s main systems, including the [[transporter]]s.
 
  +
In [[2151]], Trip Tucker ran diagnostics in engineering and found a [[power surge]] in the [[transceiver array]]. ({{ENT|Breaking the Ice}})
  +
  ⚫
In [[2153]], {{Trip Tucker}} ordered [[Haynem]] to perform a diagnostic of ''[[Shuttlepod 2]]'', as the [[impulse assembly]] had taken some damage. ({{ENT|Impulse}})
   
 
When [[Miles O'Brien]], [[Data]] and [[Deanna Troi]], taken over by [[Ux-Mal]] criminals, wanted to make sure that nobody could use the transporter to beam them back to [[Mab-Bu VI]], O'Brien took the entire [[transporter array]] off line and placed the transporter in a diagnostic mode which would take hours to complete its cycle. ({{TNG|Power Play}})
  
When [[Miles O'Brien]], [[Data]] and [[Deanna Troi]], taken over by [[Ux-Mal]] criminals, wanted to make sure that nobody could use the transporter to beam them back to [[Mab-Bu VI]], O'Brien took the entire [[transporter array]] off line and placed the transporter in a diagnostic mode which would take hours to complete its cycle. ({{TNG|Power Play}})
  +
  ⚫
In [[2369]], [[Bajoran]] [[engineer]] [[Neela]] ran a diagnostic of modifications she had made before. ({{DS9|Duet}})
   
 
== Types of diagnostic modes ==
  
== Types of diagnostic modes ==
−
=== Level 1 diagnostic ===
 +
=== Level 1 diagnostic {{anchor|Level 1}} ===
−
A level 1 diagnostic is a troubleshooting/test series that requires taking the associated system off-line.
 +
A level 1 diagnostic was a troubleshooting/test series that required taking the associated system off-line.
   
 
In [[2369]], [[Chief]] [[Miles O'Brien]] ran a level 1 diagnostic of the [[runabout]] {{USS|Ganges}}' systems, including the [[central power linkage]]s. ({{DS9|Q-Less}})
  
In [[2369]], [[Chief]] [[Miles O'Brien]] ran a level 1 diagnostic of the [[runabout]] {{USS|Ganges}}' systems, including the [[central power linkage]]s. ({{DS9|Q-Less}})
   
−
The same year, he told [[Julian Bashir]] that he was thinking of running a level 1 diagnostic of the [[phase coil generator]] when he was back aboard [[space station]] [[Deep Space 9]]. ({{DS9|The Storyteller}})
 +
The same year, he told [[Julian Bashir]] that he was thinking of running a level 1 diagnostic of the [[phase coil generator]]s when he was back aboard [[space station]] [[Deep Space 9]]. ({{DS9|The Storyteller}})
   
−
O'Brien ordered [[Neela]] to run a level 1 diagnostic of the runabout's [[computer]] [[interface]] in 2369, after they discovered that [[Ensign]] [[Aquino]] had been [[murder]]ed there. ({{DS9|In the Hands of the Prophets}})
 +
Later, O'Brien ordered [[Neela]] to run a level 1 diagnostic of the runabout's [[computer]] [[interface]], after they discovered that [[Ensign]] [[Aquino]] had been [[murder]]ed there. ({{DS9|In the Hands of the Prophets}})
   
−
One of several peculiarities that allowed [[William Riker]] to discover that what he originally thought was the future was actually a fabricated reality was noticing that a level 1 diagnostic [[Geordi La Forge]] had apparently been running had lasted for more than thirty hours. This displayed an uncharacteristic level of incompetence, as the same diagnostic would have never taken the real La Forge more than four hours to complete. ({{TNG|Future Imperfect}})
 +
One of several peculiarities that allowed [[William T. Riker]] to discover that his "future" was actually a fabricated reality was noticing that a level 1 diagnostic [[Geordi La Forge]] had apparently been running had lasted for more than thirty hours. This displayed an uncharacteristic level of incompetence, as the same diagnostic would have never taken the real La Forge more than four hours to complete. ({{TNG|Future Imperfect}})
   
 
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</div>
  
</div>
   
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=== Level 2 diagnostic ===
 +
=== Level 2 diagnostic {{anchor|Level 2}} ===
 
<div class="appear">
  
<div class="appear">
 
* {{TNG}}
  
* {{TNG}}
  +
** {{e|Tin Man}}
 
** {{e|Remember Me}}
  
** {{e|Remember Me}}
 
** {{e|A Fistful of Datas}}
  
** {{e|A Fistful of Datas}}
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</div>
  
</div>
   
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=== Level 3 diagnostic ===
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=== Level 3 diagnostic {{anchor|Level 3}} ===
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[[File:Level 3 diagnostic.jpg|thumb|A level 3 diagnostic listed on a display]]
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[[Lieutenant]] [[Farrell]] requested permission from [[Geordi La Forge]] to run a '''level 3 diagnostic''' on the {{USS|Enterprise|NCC-1701-D|-D}}'s [[port]] [[plasma relay]]s, as she had noticed one of the generators was fluctuating. ({{film|7}})
  
   
  +
On the {{USS|Discovery}}, '''level 3 diagnostics''' of the [[spore drive]] were run every ten hours. ({{DIS|If Memory Serves}})
⚫
In [[2369]] [[Commander]] [[Benjamin Sisko]] ordered a quick level 3 diagnostic of the [[graviton generator]] because of the [[residual charge]] readings. ({{DS9|Dax}})
  
   
  ⚫
[[Lieutenant]] [[Farrell]] requested permission from [[Geordi La Forge]] to run a level 3 diagnostic on the {{USS|Enterprise|NCC-1701-D|-D}}'s [[port]] [[plasma relay]]s, as he had noticed one of the generators was fluctuating. ({{film|7}})
⚫
The same year [[Chief]] [[Miles O'Brien]] ran a level 3 [[sensor sweep]] through the [[promenade]] to detect anomoulos readings after he found the program [[ANA]]. ({{DS9|In the Hands of the Prophets}})
  
  +
  ⚫
In [[2369]], [[Commander]] [[Benjamin Sisko]] ordered a quick level 3 diagnostic of the [[graviton generator]] because of [[residual charge]] readings. ({{DS9|Dax}})
  +
  ⚫
The same year, [[Chief]] [[Miles O'Brien]] ran a level 3 [[sensor sweep]] through the [[promenade]] to detect anomalous readings after he found the program [[ANA]]. ({{DS9|In the Hands of the Prophets}})
   
 
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</div>
  
</div>
   
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=== Level 4 diagnostic ===
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=== Level 4 diagnostic {{anchor|Level 4}} ===
 
[[File:Level 4 diagnostic.jpg|thumb|Level 4 diagnostic]]
  
[[File:Level 4 diagnostic.jpg|thumb|Level 4 diagnostic]]
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Locking a starship's transporters diagnostic mode, effectively putting it into a diagnostic cycle, will keep any inert matter in the [[pattern buffer]]. Ordinarily, inert matter can only remain in the pattern buffer for seven minutes before becoming irretrievably lost, but [[Montgomery Scott]] was able to reconfigure a transporter, locking the pattern into a '''level 4 diagnostic''' cycle to keep his pattern in the pattern buffer for 75 years. His pattern was retrieved with minimal degradation. However, another occupant was not so lucky and was lost. ({{TNG|Relics}})
 +
Locking a starship's transporters diagnostic mode, effectively putting it into a diagnostic cycle, would keep any inert matter in the [[pattern buffer]]. Ordinarily, inert matter could only remain in the pattern buffer for seven minutes before becoming irretrievably lost, but [[Montgomery Scott]] was able to reconfigure a transporter aboard the {{USS|Jenolan}}, locking the pattern into a '''level 4 diagnostic''' cycle to keep his pattern in the pattern buffer for seventy-five years. His pattern was retrieved with minimal degradation. However, another occupant, [[Ensign]] [[Matt Franklin]], was not so lucky, his pattern having degraded beyond all hope of retrieval. ({{TNG|Relics}})
 
<div class="appear">
  
<div class="appear">
 
* {{TNG}}
  
* {{TNG}}
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</div>
  
</div>
   
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=== Level 5 diagnostic ===
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=== Level 5 diagnostic {{anchor|Level 5}} ===
 
<div class="appear">
  
<div class="appear">
−
* {{TNG|The Mind's Eye}}
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* {{TNG}}
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** {{TNG|Half a Life}}
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** {{TNG|The Mind's Eye}}
 
* {{VOY}}
  
* {{VOY}}
 
** {{e|Drive}}
  
** {{e|Drive}}
 
** {{e|Repression}}
  
** {{e|Repression}}
 
</div>
  
</div>
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=== Security diagnostic ===
  
−
* {{DS9|Behind the Lines}}
  
   
−
=== Other ===
 +
== Other ==
  ⚫
* Security diagnostic ({{DS9|Behind the Lines}})
⚫
* In [[2153]], [[Charles Tucker III|Trip Tucker]] ordered [[Haynem]] to perform a diagnostic of ''[[Shuttlepod 2]]'' as the [[impulse assembly]] took some damage. ({{ENT|Impulse}})
  
  +
* Complete systems diagnostics ({{VOY|Parallax}})
⚫
* In [[2369]], the [[Bajoran]] [[engineer]] [[Neela]] ran a diagnostic of the modifications she did before. ({{DS9|Duet}})
  
−
* Complete systems diagnostics. ({{VOY|Parallax}})
 +
* [[Transtator]] assembly diagnostic ({{VOY|Time and Again}})
  +
−
* [[Transtator]] assembly diagnostic. ({{VOY|Time and Again}})
  
  +
== See also ==
  +
* [[Self-diagnostic]]
   
  +
== Background information ==
−
=== Sources ===
  
  +
From the entry "diagnostic" in the {{ste|4|1|208}}, "''Engineering analysis programs used aboard Federation starships, intended to permit automated determination of system performance and identification of any malfunctions. Most key systems had a number of such programs available, ranging from level-5 diagnostics (the fastest, most automated) to level-1 diagnostics (the most thorough, but the slowest, requiring the most manual labor).''"
−
* {{brokenlink|http://www.star-trek-voyager.net/ship4/ship_computers3.htm|Janet's ''Star Trek: Voyager'' Site}}
  
   
   

Revision as of 18:12, 21 June 2020

A computer system's diagnostic mode or diagnostic cycle was used to ascertain whether or not there were problems or inconsistencies in a starship's main systems, including the transporters.

In 2151, Trip Tucker ran diagnostics in engineering and found a power surge in the transceiver array. (ENT: "Breaking the Ice")

In 2153, Trip Tucker ordered Haynem to perform a diagnostic of Shuttlepod 2, as the impulse assembly had taken some damage. (ENT: "Impulse")

When Miles O'Brien, Data and Deanna Troi, taken over by Ux-Mal criminals, wanted to make sure that nobody could use the transporter to beam them back to Mab-Bu VI, O'Brien took the entire transporter array off line and placed the transporter in a diagnostic mode which would take hours to complete its cycle. (TNG: "Power Play")

In 2369, Bajoran engineer Neela ran a diagnostic of modifications she had made before. (DS9: "Duet")

Types of diagnostic modes

Level 1 diagnostic

A level 1 diagnostic was a troubleshooting/test series that required taking the associated system off-line.

In 2369, Chief Miles O'Brien ran a level 1 diagnostic of the runabout USS Ganges' systems, including the central power linkages. (DS9: "Q-Less")

The same year, he told Julian Bashir that he was thinking of running a level 1 diagnostic of the phase coil generators when he was back aboard space station Deep Space 9. (DS9: "The Storyteller")

Later, O'Brien ordered Neela to run a level 1 diagnostic of the runabout's computer interface, after they discovered that Ensign Aquino had been murdered there. (DS9: "In the Hands of the Prophets")

One of several peculiarities that allowed William T. Riker to discover that his "future" was actually a fabricated reality was noticing that a level 1 diagnostic Geordi La Forge had apparently been running had lasted for more than thirty hours. This displayed an uncharacteristic level of incompetence, as the same diagnostic would have never taken the real La Forge more than four hours to complete. (TNG: "Future Imperfect")

Level 2 diagnostic

Level 3 diagnostic

Level 3 diagnostic

A level 3 diagnostic listed on a display

On the USS Discovery, level 3 diagnostics of the spore drive were run every ten hours. (DIS: "If Memory Serves")

Lieutenant Farrell requested permission from Geordi La Forge to run a level 3 diagnostic on the USS Enterprise-D's port plasma relays, as he had noticed one of the generators was fluctuating. (Star Trek Generations)

In 2369, Commander Benjamin Sisko ordered a quick level 3 diagnostic of the graviton generator because of residual charge readings. (DS9: "Dax")

The same year, Chief Miles O'Brien ran a level 3 sensor sweep through the promenade to detect anomalous readings after he found the program ANA. (DS9: "In the Hands of the Prophets")

Level 4 diagnostic

Level 4 diagnostic

Level 4 diagnostic

Locking a starship's transporters diagnostic mode, effectively putting it into a diagnostic cycle, would keep any inert matter in the pattern buffer. Ordinarily, inert matter could only remain in the pattern buffer for seven minutes before becoming irretrievably lost, but Montgomery Scott was able to reconfigure a transporter aboard the USS Jenolan, locking the pattern into a level 4 diagnostic cycle to keep his pattern in the pattern buffer for seventy-five years. His pattern was retrieved with minimal degradation. However, another occupant, Ensign Matt Franklin, was not so lucky, his pattern having degraded beyond all hope of retrieval. (TNG: "Relics")

Level 5 diagnostic

Other

See also

Background information

From the entry "diagnostic" in the Star Trek Encyclopedia (4th ed., vol. 1, p. 208), "Engineering analysis programs used aboard Federation starships, intended to permit automated determination of system performance and identification of any malfunctions. Most key systems had a number of such programs available, ranging from level-5 diagnostics (the fastest, most automated) to level-1 diagnostics (the most thorough, but the slowest, requiring the most manual labor)."

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