Error Messages And Conditions - Canon imagePRESS C800 Series Technical & Service Manual

Error messages and conditions

Error messages and conditions
The table below gives an overview of possible error situations of the PRISMAsync controller.
Effect
Blank screen
PRISMAsync controller cannot
be switched on
PRISMAsync controller cannot
be switched off.
Excessive noise
Garbled prints or blank pages
Strange colours on
operator panel or
blank screen or
stripes on screen or
skewed image on screen or
rolling screen
"no signal" on operator panel
Spectrometer not recognized
Impossible to install via USB
port on operator panel
Led on operator panel always
off.
Operator panel dark and At-
tention light off.
"Press sleep button" during
start up or Pressing Sleep-but-
ton has no effect.
One of Attention lights always
on
One or more of the attention
lights always off.
Message "No OS found"
FPGA Led on DDI stays red
128 Chapter 10 - Troubleshooting
Check
Check USB Cable
• Check Power supply
• Check power button
• Check connection with Op-
erator panel
Check fans
Check data cables
Check DVI cable
• Check DVI cable
• Check GPU board
Check the spectrometer
Check USB stick
• Check cable
• Check AUX control board
• Check 12V on AUX control
board
• Check power cable to AUX
control board
• Check fuse on AUX control
board.
Check 3V3 connection on AUX
control board
Check fuse on AUX control
board
Check cables to HDD
Check cable to DDI board
Action
Disconnect/connect USB cable
on backside of PRISMAsync
controller.
• Replace power supply or
Power button
• Replace AUX control board
• Replace the motherboard
Replace fan
Replace data cable
Connect or replace DVI cable
Replace cable or GPU board
Try another USB port. Proba-
bly USB port on operator pan-
el defect.
Try another USB port. Proba-
bly USB port on operator pan-
el defect.
Replace cable or AUX control
board
Connect power cable. Replace
AUX control board
Connect power cable. Replace
AUX control board
Replace AUX control board
Replace AUX control board
Replace HDDs
Replace cable
Replace DDI board
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