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MODEL OVERVIEW
About this model: GE PSI23NCNBB
The TC display on the exact GE PSI23NCNBB is TurboCool running on its digital temperature panel, not a fault code.
Black counter-depth configuration
PSI23NCNBB is a black-on-black GE Profile Arctica CustomStyle side-by-side with a counter-depth cabinet. Its exact product listing specifies 22.60 cubic feet overall: 14.40 in fresh food and 8.20 in the freezer. GE gives 35 3/4 inches of overall width and 28 5/16 inches of depth, plus a much larger 45.5625-inch depth with a door opened to 90 degrees. Those figures answer different installation questions: the closed cabinet may fit near a counter edge while an open door still needs space for loading. The listing also calls for half an inch of rear air clearance and one inch above. It identifies an upfront electronic digital temperature display and Turbo Cool. Although an icemaker is installed at the factory, this is explicitly a Non-Dispenser model; there is no front water or ice paddle to diagnose. The linked manual covers several Profile side-by-side sizes, so the exact SKU listing decides which pictured options belong to this refrigerator.
Why TC appears
The short display text TC is the normal sign that TurboCool is active. GE lists Turbo Cool for this exact SKU, and page six of its linked owner guide says that pressing TurboCool makes the refrigerator temperature display show TC. The program temporarily cools the fresh-food section more quickly after a large grocery load, food left at room temperature, warm leftovers or an extended power interruption. The compressor starts promptly and the fans run at high speed as needed; the cycle lasts up to eight hours and then returns to the prior fresh-food setting, or ends sooner if TurboCool is pressed again. TC therefore describes an intentionally selected operating mode, not an unexplained fault. A locked fresh-food setpoint during that interval is also expected: the guide says the refrigerator temperature cannot be changed while TurboCool runs. The freezer control is unaffected. To interpret the display, first ask whether the feature was pressed and whether TC disappears after the timed cycle, rather than substituting an ice or dispenser repair procedure.
SET, actual temperature and OFF
The digital temperature panel has another distinction that matters when TC is absent. In ordinary use, its SET lamp accompanies the selected target, while the main readout returns to actual compartment temperatures after a short delay. The guide starts from 37°F for the refrigerator and 0°F for the freezer, yet actual readings can vary with door use and food loading. After changing a setting, allow the stated 24 hours before judging whether the cabinet has reached it. OFF has a very different meaning from TC: setting either compartment control to OFF stops cooling in both sections but leaves electrical power connected. An illuminated interior light therefore does not prove that cooling is enabled. If food feels warm, check for OFF, inspect the displayed target and actual values, and record whether TC was running recently. Avoid cycling the settings repeatedly during the stabilization period. These observations distinguish a temporary fast-cool request, a deliberate cooling shutdown and an ordinary target-versus-measured difference.
Storage and a useful service record
The storage layout helps explain why TurboCool may be useful here without being a universal answer to every temperature complaint. GE lists three fresh-food shelves, including a Quick Space section, an adjustable-temperature deli drawer and a beverage rack. On the freezer side, three slide-out baskets sit behind the door with the factory icemaker. A large fresh-food restock can raise the air temperature while the door is open; TurboCool is meant for recovery after closing it, not for a door blocked by a projecting shelf or basket. Pull each sliding part fully home before shutting the doors and keep the required installation clearance. Since this model has no dispenser, ignore the shared manual's front dispenser alarm and filter-light illustrations unless a feature is independently confirmed on your unit. For service, report PSI23NCNBB, whether TC appeared after a button press, its duration, SET and actual temperatures, OFF state, the time since loading and whether both doors seal. That is a usable diagnostic history without inventing a fault code.
Verified model details
Exact model data confirms Turbo Cool, digital temperature controls and a non-dispenser front.
Source for this detailThe linked guide says TC appears when TurboCool starts and returns to the prior setting later.
Source for this detail · Source page: 6
This description summarizes the linked source documents; check each cited source for your exact model and region.
Manufacturer source
Open official source
GE Profile Arctica CustomStyle™ Side-By-Side Refrigerator - PSI23NCNBB - GE Appliances
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.