There seem to be many issues with Self-Cal. If it shows up after the warranty period with high frquency, these products may be inherently defective and thus covered under other warranty laws in many states.
These are the "fine-print" warranties that also include product liabillity. Perhaps this should be approached in this fashion:
1. What is the reasonable life expectancy of an RD. Acc. to Belscort, it is 3 years+ as they sell extended contracts for three years.
2. By its very nature, is the product designed to fail, and thus become no longer suitable to task, and thus of no intrinsic value, during this period.
3. Does a large sample of the products sold show this trait?
I'd like to see how this pans out.