4. Troubleshooting
Situation Solution
Wire unit (reference 3 image 4-12)
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 3 image 4-12) is inserted in the Signal Backplane.
Blocked Cathode F an (reference 2
image 4-12).
Check if the Cathode Fan is not blocked. Ensure that the C athode Fan can turn freely.
Damaged wire u nit.
Check if the wire unit of the Cathode Fan is not dam aged. 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.
Cathode fan (reference 1
image 4-12) end of life.
Replace the Cathode Fan. See "Lamp cathode fan", page 319.
1
2
3
Image 4-12
Cathode fan connections
Code 5083: “lamp cathode fan - speed low” (Wa rning)
Situation Solution
Blocked Cathode F an (reference 2
image 4-12).
Check if the Cathode Fan is not blocked. Ensure that the C athode Fan can turn freely.
Damaged wire u nit.
Check if the wire unit of the Cathode Fan is not dam aged. 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.
Cathode fan (reference 1
image 4-12) end of life.
Replace the Cathode Fan. See "Lamp cathode fan", page 319.
Code 5103: “smps fan 1 (left side) - speed low” (Warning)
Situation Solution
Blocked fan. (reference 1
image 4-13)
Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit. (reference 2 &
5 of image 4-13)
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 "SMPS compartment fans", page 314.
Fan end of life. Replace the fan. S ee "SMP S com partmen t fans", page 314.
R5905043 DP2K-12C/11CX 19/02/2018 35
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