Barco HDF W Series Service Manual page 83

Image 5-51
Code 7930: "Fan speed electronics top too high" (Warning)
Situation
Malfunction electronic top fan
(reference 1 image 5-51).
Malfunction Fan Control board.
Code 7931: "Fan speed electronics top too high" (Error)
This error code is probably preceded by the warning code 7930: "Fan speed electronics top too high". The same troubleshooting
table can be applied to.
Code 7932: "Fan speed electronics bottom too low" (Error)
This error code is probably preceded by the warning code 7933: "Fan speed electronics bottom too low". The same troubleshooting
table can be applied to.
Code 7933: "Fan speed electronics bottom too low" (Warning)
Situation
Partial blocked bottom fan (reference
2image 5-51) Fan is still turning
but something slows down the fan
speed.
Damaged wire unit (reference
4image 5-51 and reference
20image 5-49)
Malfunction Fan Control board.
Electronic bottom fan end of life.
Code 7934: "Fan speed electronics bottom too high" (Warning)
Situation
Malfunction electronic bottom fan
(reference 2 image 5-50).
Malfunction Fan Control board.
Code 7935: "Fan speed electronics bottom too high" (Error)
This error code is probably preceded by the warning code 7934: "Fan speed electronics bottom too high". The same troubleshooting
table can be applied to.
Code 7936: "Fan speed heat exchanger front too low" (Error)
This error code is probably preceded by the warning code 7937: "Fan speed heat exchanger too low". The same troubleshooting
table can be applied to.
R5905312 HDF W SERIES 24/01/2013
1
3
2
4
Solution
Replace the Fan. See "Replacement of the Card Cage electronics fans", page 288.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Solution
Unblock the fan. Ensure that the fan can turn freely.
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Replace the fan. See "Replacement of the Card Cage electronics fans", page 288.
Solution
Replace the Fan. See "Replacement of the Card Cage electronics fans", page 288.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
5. Troubleshooting
79