atcomsystems.ca/forum Forums TDM Business Telephone Systems Avaya - Lucent Telephones & Systems MW light not coming on

I re-installed a Merlin Legend and Messaging R.3 for a new customer. The system was used and I offered no guarantees, but the only goofy thing happening (or not happening) is that one user's MW light is not illuminating when she gets a message. I cannot find anything in the manuals to test it. (If you haven't guessed, the legend is not my specialty