Code 20271: “LDM1 – 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".
Malfunction Laser Driver Module	Replace the LDM. See service procedure "Laser Driver Module".

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".

Malfunction Laser Driver Module

Replace the LDM. See service procedure "Laser Driver Module".