Sub-Zero Freezers Not Cooling Repair in Johns Creek

When a Sub-Zero freezer shows excessive frost buildup, the cause is often Lid or door left open frequently or not closing completely, Drain tube clogged so defrost water cannot exit and refreezes, and Auto-defrost control board malfunction. Our experienced Johns Creek technicians diagnose and repair using genuine parts from authorized distributors.

When a Sub-Zero freezer shows door not sealing, the cause is often Food items protruding inside and blocking door from closing completely, Gasket material hardened or cracked from age and repeated use, and Gasket pulled out of mounting channel. Our experienced Johns Creek technicians diagnose and repair using genuine parts from authorized distributors.

When a Sub-Zero freezer shows water pooling on floor, the cause is often Drain pan cracked, displaced, or overflowing during defrost cycle, Drain plug on chest freezer removed, cracked, or not seated properly, and Drain hose disconnected or kinked preventing water from reaching drain pan. Our experienced Johns Creek technicians diagnose and repair using genuine parts from authorized distributors.

When a Sub-Zero freezer shows freezer over-freezing or too cold, the cause is often Temperature control thermostat stuck in closed position — calling for cooling continuously, Temperature setting accidentally turned to maximum coldest setting, and Electronic temperature sensor sending falsely high (warm) signal — board compensates by over-cooling. Our experienced Johns Creek technicians diagnose and repair using genuine parts from authorized distributors.