Crystal Vision
Trouble shooting
Crystal Vision
Trouble shooting
3 Trouble shooting
Reading LED status and active display messages
There are a number of two-colour LEDs on an active or passive front panel, with
yellow/green indicating a normal condition and red an abnormal condition.
Example-The Indigo 2/2A/2S LEDs
The following LED status indications and/or Indigo display messages may be seen:
LED
Colour
Indigo display
message
Notes
Front Fan
Unlit
None
Quiet mode/Door open
Yell/Grn
None
Normal operation
Red
Front fan speed low
Change the panel fan
Indigo 4, may be upper or lower fan
PSU Fan
Yell/Grn
None
Normal operation
Red
Psu fan speed low
Change PSU fan
Indigo 4, may be upper or lower fan
PSU
Yell/Grn
None
Normal operation
(Indigo 1)
Red
PSU fault
Change PSU
Upper PSU
Unlit
None
No upper PSU detected
(Indigo 2)
Yell/Grn
None
Normal operation
Red
Upper PSU fault
Change upper PSU, check supply,
change upper inlet fuse
Lower PSU
Unlit
None
No lower PSU detected
(Indigo 2)
Yell/Grn
None
Normal operation
Red
Lower PSU fault,
Change lower PSU, check supply,
change lower inlet fuse
PSU 1
Unlit
None
No PSU 1 detected
Yell/Grn
None
Normal operation
Red
lower PSU fault
Change PSU 1, check supply, change
lower inlet fuse
Indigo PSU Manual R1.2
24/05/2010
11
