Very happy with Pyronix as well. They sent me a replacement module and everything working fine now (they even included a Jiffy envelope with postage on it to return the old module).
And thank eveares for posting as helped me work out the problem and get it resolved
Glad I found this article. Has been doing my head in setting up. 1 module dead and got replacement earlier. Was getting same error and after seeing this and my module shows 1.14 in Software revisions, but 2.66 on label. Have emailed both Pyronix and Supplier as looks like there is a batch on...