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R5906848 /04
DP2K SLP Series
348
Situation
Solution
Laser bank is off due to other
laser bank related errors.
Look in the projector log files for error entries for this specific laser bank
before it was turned off (other than this error).
These errors are of the format
“
LDM 1
–
x
–
LLS bank y [error name]
”
.
Resolve these errors first.
Laser bank didn't switch on
because of failing self-test
While the projector is in service mode, go to Communicator and go to
Diagnostics >> actual >> Currents. Check the current of the laser bank.
1.
No current: Check / reseat the cabling between LDM module and light
source laser bank. Check / reseat the cabling between Light source
and Light source PCB.
2.
Current
≤
630 mA: Check the light sensor functionality, the cabling and
the mounting (check for errors mentioning one of these).
Also check the optical alignment to maximize light output.
Bad / No connection between
LLS and LDM board
Check / reseat the cabling between the LDM board and LLS. Check the
connector on the laser subassembly PCB.
Error appears on 3
consecutive laser banks,
controlled by the same LDM
board: Defective laser driver
Temporary swap 2 Laser driver boards of the same type in the LDM and
check for the
“
bank x is off
”
messages. Ignore any other new messages
triggered by this swapping.
If the warning changes to other laser banks, replace the LDM driver board.
See service procedure
“
Replacing a driver board in an LDM unit
, page 48.
If the warning remains on the same laser bank(s), do the following in order
and check if the error has disappeared after each action.
•
Check/measure the fuse behind the LDM driver board (Image 25-90). If
it has blown, replace it.
•
Replace the cable between LDM board and light source.
•
Replace the entire LDM. See service procedure
“
”
, page 56.
•
If problem persists after replacing the LDM, the laser banks are
defective. Replace the light source.
Note:
Do not forget to place the swapped LDM boards back in their
original position after the check has been completed.
Defective laser bank
Replace the light source. See service procedure
“
, page 59.
Image 25-90: Location of the Fuse.
Code 20102:
“
LLS
–
Bank 2 is off
”
For this error the same troubleshooting table can be applied to as for code
20101
:
“
LLS
–
Bank 1 is off
”
.
Summary of Contents for DP2K SLP Series
Page 1: ...ENABLING BRIGHT OUTCOMES Service Manual DP2K SLP Series ...
Page 4: ......
Page 10: ...R5906848 04 DP2K SLP Series 10 ...
Page 14: ...R5906848 04 DP2K SLP Series 14 Safety ...
Page 24: ...R5906848 04 DP2K SLP Series 24 General ...
Page 30: ...R5906848 04 DP2K SLP Series 30 Preventative maintenance actions ...
Page 38: ...R5906848 04 DP2K SLP Series 38 Mains Input ...
Page 90: ...R5906848 04 DP2K SLP Series 90 Laser Phosphor Light Source ...
Page 94: ...R5906848 04 DP2K SLP Series 94 10 Reinstall all covers Liquid cooling circuit ...
Page 138: ...R5906848 04 DP2K SLP Series 138 Light Pipe ...
Page 147: ...147 R5906848 04 DP2K SLP Series Optical alignment 12 ...
Page 150: ...R5906848 04 DP2K SLP Series 150 Optical alignment ...
Page 248: ...R5906848 04 DP2K SLP Series 248 Card Cage ...
Page 263: ...263 R5906848 04 DP2K SLP Series Exhaust system 20 ...
Page 265: ...265 R5906848 04 DP2K SLP Series Board Diagnostic LED s 21 ...
Page 270: ...R5906848 04 DP2K SLP Series 270 Board Diagnostic LED s ...
Page 290: ...R5906848 04 DP2K SLP Series 290 Dust Filters ...
Page 294: ...R5906848 04 DP2K SLP Series 294 Troubleshooting ...
Page 382: ...R5906848 04 DP2K SLP Series 382 Troubleshooting ...
Page 394: ...R5906848 04 DP2K SLP Series 394 Projector cleaning ...
Page 395: ...395 Overview Hazards R5906848 04 DP2K SLP Series Appendix A ...
Page 409: ...R5906848 04 DP2K SLP Series 409 ...