Thermasol has been making steam generators for 50 years and has a reputation for making a high quality and reliable product. Their premium generators carry a 2-3 year in home warranty and a “lifetime, no questions asked” in factory parts and labor warranty.
As with any product, if a problem arises you should always start with two steps:
1. Read the Operating/Owner's Manual, they usually provide troubleshooting tips.
2. Reach out to the manufacturer's customer service department or the place that you purchased the item from for assistance.
Have your husband's boss check this link
to see if his control is listed. If so, you will find a link to the Operating/Owner's Manual on the product page for him to begin troubleshooting.