CRANEX
®
Novus e 4. Troubleshooting
Service manual 77
4.5 Problems after exposure
Error E4 (Tubehead too hot)
CAUSE A
The tube head has overheated (> 55°).
SOLUTION A
Wait for the tubehead to cool down.
When the tubehead reaches the right temperature the
error message will automatically disappear. Note that
this could take over 45 minutes.
Note that you will not be able to clear the error mes-
sage until the tube head has cooled to the correct tem-
perature. If the error message appears even if the unit
has not been used a lot, switch the unit off and then on
again.
CAUSE B
The tube heat signal is missing.
SOLUTION B
If the error message never clears check the path of the
tube heat signal. The tubehead and/or the generator
board may be faulty and must be replaced.
Vertical white stripes on the image
Probably due to tube arcing.
Refer to the trouble shooting information given in error
code E0.
Horizontal white stripes on the image
Recalibrate the CCD.
Refer to the section Calibrating the CCD sensor in the
installation manual.
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