4. Troubleshooting
Situation Solution
Other fans are als o not s pinning. Replace the SM PS Board. See "Replacement of the S witched Mode P ower S upply",
page 281.
Defect Signal Backplane Replace the Signal Backplane, see "Replacement o f the signal back plane", page 231.
1
2
Image 4-22
Red DMD fan indication
Code 5263: “dmd green fan - speed low” (Warning)
Situation Solution
Wire unit of t he fan disconnected. Check if the wire unit of the fan is c onnected with the Signal backplane See reference
2 image 4-23.
Check the fan connection with the wire unit to the s ignal backplane.
Blocked fan. Unblock the fan. Ensure that the fan can turn freely.
Damaged wire u nit.
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Fan end of life. Replace the fan.
Malfunction Fan & Motor Control
Board
Replace the F an & Motor Control Board. See "Removing a board in the card cage",
page 213.
Other fans are als o not s pinning. Replace the SM PS Board. See "Replacement of the S witched Mode P ower S upply",
page 281.
Defect Signal Backplane Replace the Signal Backplane, see "Replacement o f the signal back plane", page 231.
1
2
3
Image 4-23
Light processor fan connections
42 R5905043 DP2K-12C/11CX 19/02/2018
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