The company says it has “determined there are approximately 232,000 modules in the field, manufactured between October 2008 and June 2009, which may over time develop a loose cord plate attachment".

The issue first came to light when Avian Securities said problems related to the junction box on some of First Solar’s modules could potentially cause electrical shock or fire.

“We know the serial numbers of the affected modules and are working proactively with the system owners to repair or replace the affected modules consistent with our warranty,” First Solar spokesman Ted Meyer said.

First Solar says the issue will not have a significant impact on earnings, but shares in the company fell more than 11% late last week to $19.68