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5. Troubleshooting
Situation
Solution
Malfunction Fan Control board.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Fan end of life.
Replace the fan. See "Replacement of the Light processor compartment fan", page 293.
20
1
Image 5-50
Code 7905: “Fan speed engine too low” (Warning)
Situation
Solution
Partial blocked Light Processor fan
(reference 1 image 5-50) 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 20
image 5-50 and image 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.
Light Processor fan end of life.
Replace the fan. See "Replacement of the Light processor compartment fan", page 293 .
Code 7906: “Fan speed engine too high” (Warning)
Situation
Solution
Malfunction Light Processor fan
(reference 1 image 5-50).
Replace the Fan. See "Replacement of the Light processor compartment fan", page 293
Malfunction Fan Control board.
Replace the Fan Control Board. See "Replacing the Fan control board", page 278.
Code 7907: “Fan speed engine too high” (Error)
This error code is probably preceded by the warning code 7906: “Fan speed engine too high”. The same troubleshooting table can
be applied to.
Code 7928: “Fan speed electronics top too low” (Error)
This error code is probably preceded by the warning code 7928: “Fan speed electronics top too low”. The same troubleshooting
table can be applied to.
Code 7929: “Fan speed electronics top too low” (Warning)
Situation
Solution
Partial blocked top fan (reference
1 image 5-51) 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
3 image 5-51 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.
Electronic top fan end of life.
Replace the fan. See "Replacement of the Card Cage electronics fans", page 288.
78
R5905312 HDF W SERIES 24/01/2013
Summary of Contents for HDF W series
Page 1: ...HDF W series Service manual R5905312 01 24 01 2013 ...
Page 4: ......
Page 8: ...Table of contents 4 R5905312 HDF W SERIES 24 01 2013 ...
Page 12: ...1 Safety 8 R5905312 HDF W SERIES 24 01 2013 ...
Page 30: ...3 Preventative maintenance actions 26 R5905312 HDF W SERIES 24 01 2013 ...
Page 35: ...5 Troubleshooting 5 TROUBLESHOOTING R5905312 HDF W SERIES 24 01 2013 31 ...
Page 36: ...5 Troubleshooting 32 R5905312 HDF W SERIES 24 01 2013 ...
Page 110: ...6 Removal and installation of the projector covers 106 R5905312 HDF W SERIES 24 01 2013 ...
Page 111: ...7 Power Input 7 POWER INPUT R5905312 HDF W SERIES 24 01 2013 107 ...
Page 112: ...7 Power Input 108 R5905312 HDF W SERIES 24 01 2013 ...
Page 120: ...7 Power Input 116 R5905312 HDF W SERIES 24 01 2013 ...
Page 172: ...10 Card Cage 168 R5905312 HDF W SERIES 24 01 2013 ...
Page 182: ...11 Lamp Power Supply 178 R5905312 HDF W SERIES 24 01 2013 ...
Page 183: ...12 Start Pulse Generator 12 START PULSE GENERATOR R5905312 HDF W SERIES 24 01 2013 179 ...
Page 184: ...12 Start Pulse Generator 180 R5905312 HDF W SERIES 24 01 2013 ...
Page 192: ...12 Start Pulse Generator 188 R5905312 HDF W SERIES 24 01 2013 ...
Page 242: ...14 Lenses and Lens Holder 238 R5905312 HDF W SERIES 24 01 2013 ...
Page 270: ...15 Liquid cooling circuit 266 R5905312 HDF W SERIES 24 01 2013 ...
Page 274: ...16 Heat exchanger Image 16 5 Remove assembly 270 R5905312 HDF W SERIES 24 01 2013 ...
Page 280: ...16 Heat exchanger Image 16 13 276 R5905312 HDF W SERIES 24 01 2013 ...
Page 309: ...19 Board Diagnostic LED s 19 BOARD DIAGNOSTIC LED S R5905312 HDF W SERIES 24 01 2013 305 ...
Page 310: ...19 Board Diagnostic LED s 306 R5905312 HDF W SERIES 24 01 2013 ...
Page 328: ...19 Board Diagnostic LED s 324 R5905312 HDF W SERIES 24 01 2013 ...