The manager said he wanted the Prep Table coil defrosted and the evaporator hung back in place. Disassembled and defrosted the frozen evaporator coil. The evaporator was hanging by its tubing. Remounted tge coil back in place. If the coil continues to freeze up the customer should replace the temperature probes. Sprayed condenser with Nu calgone coil cleaner. Unit up and running.