Found unit has 3 error codes. Compressor was not running. Spoke with Franke to verify issue. E1, E2, E3 and Franke says to replace controller and temp probe. Customer wants QWP (expedited freight) shipping. Ken @ Franke ID'd parts. Controller #18006127 and Probe #19004769 Note: Missed cut off time for order to be placed today. 12/12/16 Replaced temperature probe and controller. Set for 0 to -12 deg per Franke Foods. Unit is cycling on/off. Manager did air and surface check before I left.