4. Troubleshooting
Code 5043: “cold mirror fan - speed low” (Warning)
Situation Solution
Blocked fan (reference 2 image 4-8). 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.
Malfunction Fan C ontrol bo ard. Replace the Fan Control board. See "Removing a board in the card cage", page 213.
Fan end of life. Replace the fan. See chapter "Cold m irror fan", page 327.
Code 5053: “engine fan - speed low ” (Warning)
Situation Solution
Blocked fan (reference 1 image 4-9). 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.
Malfunction Fan C ontrol bo ard. Replace the Fan Control board. See "Removing a board in the card cage", page 213.
Fan end of life. Replace the fan . S ee chapter "Light processor compartment fan", page 316.
Image 4-9
Light processor compartment fan
Code 5072: “lamp anode fan - s peed too low” (Error)
Situation Solution
Wire unit (reference 1im age 4-10) of
the A node Fan is disc onnected.
Remove the left side cover of the projector and check the connection of the Anode F an.
Wire unit (reference 3 image 4-10)
of the fan units is disconnected from
the Signal Backplane.
Remove the front cover and front dust filter from the projector and check if t he wire unit
(reference 53 image 4-10) is inserted in the S ignal Backplane.
Blocked Anode Fan (reference 2
image 4-10).
Check if the Anode F an is not blocked. Ensure that the Anode Fan can turn freely.
Damaged wire u nit.
Check if the wire unit of the Anode Fan is not damaged. Repair if possible, otherwise
replace with new one.
Malfunction Fan C ontrol bo ard. Replace the Fan Control boar d. S
ee "Removing a board in the card cage", page 213.
Anode fan ( reference 2 image 4-10)
end of life.
Replace the Anode Fan.
R5905043 DP2K-12C/11CX 19/02/2018 33
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