Thank you for this thread!
My PLM died about 3 years ago and I never had time to look into it. At first I thought it was my ISY994/IR Pro. The firmware version on my ISY would error out and not do anything if the PLM is dead. So, last summer, I decided to look into the problem. I updated the firmware on the ISY and realized that it was the PLM. I have no status LED lit. I took my PLM apart and did not notice any blown caps. The back of the PCB seems like something leaked. See pics. Anyhow, I ran across this thread. Here is what I replaced:
Replace YICCON 6.8uF 250V cap with ESX106M400AH4AA KEMET 10uf 400v
Replace FUJICON 100uF 25V cap with UTT1E101MPD Nichicon 100uF 25 volt
Replace SAMCON 10uF 35v cap with EKY-500ETD100ME11D Chemi-Con 10uF 50V (2x)
UTT1C100MDD1TP was not available/on back order.
Anyhow, my PLM is working again!
Thank you.