Barco DP2K SLP Series Service Manual page 358
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Also See for DP2K SLP Series:
- User and installation manual (175 pages) ,
- Safety & environmental information (13 pages)
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Troubleshooting
Code 20284: "LDM 1 – Fan 2 speed too low"
Situation
Fan speed too low of one fan
of the Laser Driver Module
Error on both fans of the LDM.
Malfunction Control Board of
LDM.
Code 20287: "LDM 1 – Fan 2 speed too high"
Situation
Fan speed too high of one fan
of the LDM
Fan speed error on both fans
of the LDM. Malfunction LDM.
Code 20288: "LDM 1 – +12V voltage too low"
Situation
Faulty LDM board
Code 20291: "LDM 1 – +12V voltage too high"
Situation
Malfunction LDM
Code 20292: "LDM 1 – +24V voltage too low"
Situation
Malfunction LDM fan(s)
Code 20295: "LDM 1 – +24V voltage too high"
Situation
Malfunction LDM
358
R5906848 /04
DP2K SLP Series
Solution
1.
Check fan wire connection on the Controller Board of the LDM
(reference 2, Image 25-91).
2.
Remove the fan assembly. Check if the fan is not blocked .
3.
Malfunctioning fan. Replacement needed.
For removing and replacing the fan, see procedure "Removing a fan from
an LDM", page 51.
Replace the LDM. See service procedure "Replacing a Laser Drive
Module", page 56.
Solution
1.
Malfunctioning fan. Replacement needed. Remove the fan from the
LDM and replace the fan. See service procedure "Removing a fan from
an LDM", page 51.
2.
If problem persist replace the LDM. See service procedure "Replacing
a Laser Drive Module", page 56.
Replace the LDM. See service procedure "Replacing a Laser Drive
Module", page 56.
Solution
Check which LDM board is faulty. Remove one or multiple boards to see
which board triggers the +12 V error. See service procedure "Replacing a
Laser Drive Module", page 56.
Solution
Replace the LDM. See service procedure "Replacing a Laser Drive
Module", page 56.
Solution
1.
Check fan wire connection on the Controller Board of the LDM
(reference 1, Image 25-91).
2.
Check if the fan is not blocked .
3.
Malfunctioning fan. Replacement needed.
For removing and replacing the fan, see procedure "Removing a fan from
an LDM", page 51.
Solution
Replace the LDM. See service procedure "Replacing a Laser Drive
Module", page 56.
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Table of Contents
Troubleshooting
