mar345 Program Manual

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Tabel continued from previous page.

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No. Description

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1050

Message:

"SHUTTER did not work properly. Abandoning data collection"

 

Reason:

X−ray beam shutter damaged or dirty.

 

Action:

Check shutter. Open and close it manually. Is it very hard

 

 

to operate?

1060

Message:

"X−ray reading too low ..."

 

Reason:

The X−ray intensity as read from the ion. chamber is

 

 

below the critical level (see configuration file:

 

 

INTENSITY MIN xxx). The data collection starts only

 

Action:

if the X−ray reading is above the configured value.

 

Check generator, monochromator or collimator.

1061

Message:

"X−rays reading too high for DOSE mode ..."

 

Reason:

The X−ray intensity as read from the ion. chamber shows

 

 

very large numbers (>100). The work in DOSE mode becomes

 

Action:

inaccurate.

 

Turn down gain selector of ion. chambers.

1070

Message:

"Could not recover from previous errors after X retries"

 

Reason:

Follow up of previous messages.

 

Action:

Check previous messages.

1080

Message:

"SHUTTER did not open during exposure" or

 

Reason:

"Shutter did not close at end of exposure"

 

X−ray beam shutter damaged or dirty.

 

Action:

Check shutter. Open and close it manually. Is it very hard

 

 

to operate?

1090

Message:

"Scanner home position (X) differs from Y +/− dy"

 

Reason:

Problem with radial movement of reading head.

 

Action:

Mail mar.spy. Call.

1100

Message:

"Cannot open nb_code!"

 

Reason:

File $MARTABLEDIR/mar2300.XXX and/or

 

 

$MARTABLEDIR/mar3450.XXX are missing or don’t

 

Action:

have read permission.

 

Check existence of files and permissions.

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Compaq mar345 manual Tabel from previous