Snail Tracks or Worm Trails

[RPSOLAR]

Modules are about a year old and are showing some discoleration on the cells that has been deemed "Snail Track" by the manufacturer.
They claim these markings will have no effect on the performance of the modules and therefor it is not a warranty issue.

Has anyone had to deal with these before? Did the module continue to function normally?

[russ]

Hi - Welcome to Solar Panel Talk!

Let us see what some of the guys have to say.

Russ

[4321loco]

Can you post a picture.

I have some 40 watt panels that have discolorations on multiple cells but performance on my panels seem pretty close to other ones that look new, again depending on how bad panel is, age, location etc., well determine performance.

Have you personally tested them side by side?