The 650HAG is a HAG variant of the 650 built-in over-and-under refrigerator/freezer, from the 600 Series. Beyond the identifier itself, no separate specification has been published for this variant. A door that no longer pulls fully closed onto its gasket is the issue reported most often on a 650HAG, and it’s often connected to a […]

The 511 pairs a built-in refrigerator with a roll-out freezer drawer rather than a full side-by-side freezer section, and both compartments are controlled from the same panel on the back wall near the top of the refrigerator. It’s a 500 Series model, no longer produced, with features like an adjustable dairy compartment and roll-out refrigerator […]

The 648PROHAG is a HAG variant of the PRO 48 side-by-side 648PRO. Sub-Zero marks the whole PRO 48 group as legacy, and no separate specification has been published for this variant beyond the identifier itself. Restricted condenser airflow from dust at the grille is a common issue on a 648PROHAG, consistent with other exposed-style PRO […]

The 542 is a built-in Sub-Zero refrigerator from the 500 Series with two crisper drawers, no longer in production. Unlike the 511, its drawers are for produce storage rather than a separate freezer compartment. The issues we see most on a 542 are a compressor running noticeably longer than it used to and a condenser […]

The 648PROG is the glass-door version of the PRO 48 side-by-side, built in stainless steel with an easy-access grille, a water filter, and an alarm, and installable either freestanding or built in. It’s no longer produced. Water pooling beneath the crisper drawers and frost building up inside the freezer compartment are the cooling issues reported […]

The 561 is a built-in Sub-Zero refrigerator from the 500 Series, no longer produced, with a dairy compartment holding one section and one egg tray plus two crisper drawers. Like other units in this generation, it reports very little through its own display. Frost building up inside the freezer compartment is one of the more […]

The 700TR is a tall all-refrigerator from the 700 Series, with an electronic digital control panel, adjustable spill-proof glass shelves, a deli drawer, and a stationary shelf. It’s no longer produced and was also sold as the 700TR-RH, a right-hinge version of the same cabinet. Fan noise from behind the rear panel that wasn’t there […]

The 590 is a 500 Series built-in refrigerator/freezer with an automatic ice maker and a through-the-door ice and water dispenser, plus door closers on both the refrigerator and freezer doors. It’s no longer produced, and the refrigerator and freezer controls sit inside the refrigerator section on the left-hand side. A door that no longer pulls […]

The 700TCI is a tall over-and-under refrigerator/freezer from the 700 Series with an automatic ice maker and a deli drawer and shelf assembly. It’s no longer produced and was also sold as the 700TCI-RH, a right-hinge version of the same cabinet. Interior lighting that stays dark, or flickers as the door opens, and a control […]

The 601R is a built-in all-refrigerator from the 600 Series, no longer produced, with a lighted electronic control panel, adjustable spill-proof glass shelves, a roll-out utility basket, an egg container, and a high-humidity crisper drawer. Restricted airflow at a dust-clogged condenser grille is one of the more common issues we see on a 601R, since […]