A health food store in Montclair CA reported one of their product freezers had gone down. Our refrigeration tech found that the TXV was frozen over, evap coil and drain pan clear. Replaced the liquid line's schrader core and recharged the unit. System dropped back down to -3 and continues to fall. System operational again.
Responded to an urgent freezer call in Montclair California, where the site reported one unit running at 36 degrees. Upon arrival our refrigeration technician found the Traulsen unit's temperature sensors reading incorrectly. Replaced both sensors, evaporator and cabinet, and tested all other operations. All other functions normal, job complete.