R5906848 /04 DP2K SLP Series 361
Code 20361: “LDM 1-2 – LLS bank 1 temperature sensor open”
Situation Solution
Wiring issue Check / reseat the cable between the LDM board and the LLS. If problem
persists, replace the cable.
Faulty LDM board Temporary swap two LDM boards and search for “LLS bank x temperature
sensor open” errors.
• If the error has swapped to a laser bank driven by the swapped LDM
board, replace the LDM board. See service procedure “Replacing a
driver board in an LDM unit”, page 48.
• If the error remains on the same laser bank, the problem is with the LLS
or LLS connection.
Malfunction LLS Replace the Light source. See service procedure “Laser Phosphor Light
Source”, page 59.
Code 20365: “LDM 1-2 – LLS bank 2 temperature too high”
For this error the same troubleshooting table can be applied to as for code 20359: “LDM 1–2 – LLS bank 1
temperature too high”.
Code 20366: “LDM 1-2 – LLS bank 2 temperature sensor shorted”
For this error the same troubleshooting table can be applied to as for code 20360: “LDM 1–2 – LLS bank 1
temperature sensor shorted”.
Code 20367: “LDM 1-2 – LLS bank 2 temperature sensor open”
For this error the same troubleshooting table can be applied to as for code 20361: “LDM 1–2 – LLS bank 1
temperature sensor open”.
Code 20371: “LDM 1-2 – LLS bank 3 temperature too high”
For this error the same troubleshooting table can be applied to as for code 20359: “LDM 1–2 – LLS bank 1
temperature too high”.
Code 20372: “LDM 1-2 – LLS bank 3 temperature sensor shorted”
For this error the same troubleshooting table can be applied to as for code 20360: “LDM 1–2 – LLS bank 1
temperature sensor shorted”.
Code 20373: “LDM 1-2 – LLS bank 3 temperature sensor open”
For this error the same troubleshooting table can be applied to as for code 20361: “LDM 1–2 – LLS bank 1
temperature sensor open”.
Code 20377: “LDM 1-2 – Heatsink rectifier temperature too high”
Situation Solution
Problem with cooling of the
LDMs
Check the projector filters. Clean or replace them if necessary.
Check the LDM fans. Replace them if necessary. See service procedure
“Removing a fan from an LDM”, page 51.
Malfunction LDM board Replace the LDM board. See service procedure “Replacing a driver board
in an LDM unit”, page 48.
Code 20378: “LDM 1-2 – heatsink rectifier temperature sensor short”
Situation Solution
Malfunction LDM board Replace the LDM board. See service procedure “Replacing a driver board
in an LDM unit”, page 48.
Troubleshooting
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