5. Troubleshooting
Code 7953: “Fan speed power supply left too low” (Warning)
Situation
Solution
Partial blocked power supply left fan
(reference 1image 5-55) Fan is still
turning but something slows down
the fan speed.
Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit (reference
2image 5-55 and reference
20image 5-49)
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Malfunction Fan Control board.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Power supply left fan end of life.
Replace the fan. See "Replacement of the SMPS fans", page 289.
Code 7954: “Fan speed power supply left too high” (Warning)
Situation
Solution
Malfunction power supply left fan
(reference 1 image 5-56).
Replace the Fan. See "Replacement of the SMPS fans", page 289.
Malfunction Fan Control board.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
1
3
2
4
Image 5-56
Code 7955: “Fan speed power supply left too high” (Error)
This error code is probably preceded by the warning code 7954: “Fan speed power supply left too high”. The same troubleshooting
table can be applied to.
Code 7956: “Fan speed power supply right too low” (Error)
This error code is probably preceded by the warning code 7957: “Fan speed power supply right too low”. The same troubleshooting
table can be applied to.
Code 7957: “Fan speed power supply right too low” (Warning)
Situation
Solution
Partial blocked power supply right
fan (reference 3image 5-56) Fan
is still turning but something slows
down the fan speed.
Unblock the fan. Ensure that the fan can turn freely.
Damaged wire unit (reference
4image 5-56 and reference
20image 5-49)
Check if the wire unit of the fan is not damaged. Repair if possible, otherwise replace
with new one.
Malfunction Fan Control board.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Power supply right fan end of life.
Replace the fan. See "Replacement of the SMPS fans", page 289.
Code 7958: “Fan speed power supply right too high” (Warning)
Situation
Solution
Malfunction power supply right fan
(reference 3image 5-56).
Replace the Fan. See "Replacement of the SMPS fans", page 289.
Malfunction Fan Control board.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
R5905312 HDF W SERIES 24/01/2013
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Содержание HDF W series
Страница 1: ...HDF W series Service manual R5905312 01 24 01 2013 ...
Страница 4: ......
Страница 8: ...Table of contents 4 R5905312 HDF W SERIES 24 01 2013 ...
Страница 12: ...1 Safety 8 R5905312 HDF W SERIES 24 01 2013 ...
Страница 30: ...3 Preventative maintenance actions 26 R5905312 HDF W SERIES 24 01 2013 ...
Страница 35: ...5 Troubleshooting 5 TROUBLESHOOTING R5905312 HDF W SERIES 24 01 2013 31 ...
Страница 36: ...5 Troubleshooting 32 R5905312 HDF W SERIES 24 01 2013 ...
Страница 110: ...6 Removal and installation of the projector covers 106 R5905312 HDF W SERIES 24 01 2013 ...
Страница 111: ...7 Power Input 7 POWER INPUT R5905312 HDF W SERIES 24 01 2013 107 ...
Страница 112: ...7 Power Input 108 R5905312 HDF W SERIES 24 01 2013 ...
Страница 120: ...7 Power Input 116 R5905312 HDF W SERIES 24 01 2013 ...
Страница 172: ...10 Card Cage 168 R5905312 HDF W SERIES 24 01 2013 ...
Страница 182: ...11 Lamp Power Supply 178 R5905312 HDF W SERIES 24 01 2013 ...
Страница 183: ...12 Start Pulse Generator 12 START PULSE GENERATOR R5905312 HDF W SERIES 24 01 2013 179 ...
Страница 184: ...12 Start Pulse Generator 180 R5905312 HDF W SERIES 24 01 2013 ...
Страница 192: ...12 Start Pulse Generator 188 R5905312 HDF W SERIES 24 01 2013 ...
Страница 242: ...14 Lenses and Lens Holder 238 R5905312 HDF W SERIES 24 01 2013 ...
Страница 266: ...15 Liquid cooling circuit Image 15 39 Electrical connection 262 R5905312 HDF W SERIES 24 01 2013 ...
Страница 269: ...15 Liquid cooling circuit Image 15 45 Electrical connection R5905312 HDF W SERIES 24 01 2013 265 ...
Страница 270: ...15 Liquid cooling circuit 266 R5905312 HDF W SERIES 24 01 2013 ...
Страница 274: ...16 Heat exchanger Image 16 5 Remove assembly 270 R5905312 HDF W SERIES 24 01 2013 ...
Страница 280: ...16 Heat exchanger Image 16 13 276 R5905312 HDF W SERIES 24 01 2013 ...
Страница 309: ...19 Board Diagnostic LED s 19 BOARD DIAGNOSTIC LED S R5905312 HDF W SERIES 24 01 2013 305 ...
Страница 310: ...19 Board Diagnostic LED s 306 R5905312 HDF W SERIES 24 01 2013 ...
Страница 328: ...19 Board Diagnostic LED s 324 R5905312 HDF W SERIES 24 01 2013 ...