Bosch Refrigerator

Bosch B21CT80SNS

Model # B21CT80SNS

The B21CT80SNS was an 800 Series French door multi-door refrigerator, 35 7/8 inches wide and 69 7/8 inches tall in stainless. Multi-door means a separate middle drawer between the fresh food doors and the main freezer – a flexible zone that can be run at different temperatures. That drawer has its own damper and sensor, and when an owner reports that the middle drawer is too warm or too cold while the rest of the refrigerator is fine, the fault is almost always contained to that zone.

Key Features

  • 800 Series French door multi-door refrigerator
  • 35 7/8 in wide, 69 7/8 in tall
  • Separately controlled middle drawer zone
  • Internal filtered water and ice maker

Most Common Issues on This Model

01

Middle drawer zone running at the wrong temperature while the cabinet is correct

02

Drawer runners sagging under heavy loading

03

Ice maker output falling with an overdue water filter

Error Codes Common to This Model

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FAQ

Bosch B21CT80SNS FAQ

That zone has its own sensor and air damper, so a fault there stays local. It is a contained diagnosis rather than a whole-refrigerator problem.

It was designed as a flexible zone with a range of settings. What it can actually reach is published in the manual for this model, and we can confirm it is holding whatever it is set to.

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