Stainless French-door refrigerator in a white kitchen next to a range
7 components covered

Field manual · Refrigerator

Café CVE28DP 4-door French door with convertible drawer (CVE28DP2NS1 / CVE28DP3ND1 / CVE28DP4NW2): quick sheet

Covers: Café (GE Appliances) CVE28DP* 36-inch standard-depth 4-door French door: CVE28DP2NS1 stainless, plus black and white Café finishes (e.g. CVE28DP3ND1, CVE28DP4NW2). Parts catalogs list production suffixes such as CVE28DP2NBS1, NCS1, NES1, NGS1 and NHS1. Late 2010s onward.

Single sourceBrands: Café, GE7 components

A 27.8 cu ft Café 4-door: two French doors over a full-width convertible middle drawer and a bottom freezer drawer, with an external ice/water dispenser, AutoFill (sensor-controlled pitcher fill), Wi-Fi and an XWFE filter. It uses R600a refrigerant. Calls usually involve the convertible drawer temperature, the ice maker and the dispenser.

Safety first

  • Unplug before removing covers or panels.
  • R600a (isobutane) is flammable: no open flame, torches or sparks near the sealed system. Sealed-system diagnosis beyond symptoms is blocked: refer to an EPA 608-certified technician.
  • Shut off the water before opening water fittings.
  • Never chip ice off the evaporator.

How it works

Convertible drawer: a middle drawer with six presets (Soft Freeze, Meats, Beverages, Snacks, Wine, and a Lock setting) spanning about 23-42 °F. Cold air reaches it from the freezer through a damper/fan path, and a dedicated drawer thermistor reports to the control.

Ice: an automatic ice maker supplies cubed and crushed ice to the door dispenser.

AutoFill: sensors in the dispenser area measure the container and stop the fill; dirty sensors cause overshoot or short fills.

Refrigerant is R600a (isobutane): the sealed system is referral-only and the gas is flammable.

Components & tests

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Official manufacturer documentation

Always confirm values against the tech sheet for the exact model.

OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work. © 2026 OnCall Tech. Original content; not a reproduction of any manufacturer document.Generic part photos (not of this brand): Stainless French-door refrigerator in a white kitchen next to a range by Curtis Adams, Pexels License

Diagnostic guides for this appliance

Guide · Refrigerator

Adaptive defrost control (ADC) board: how to diagnose it

An adaptive defrost board replaces the old cam timer. It counts compressor run time (and on some boards door-open time) and adjusts the next defrost interval based on how long the last one took. Test the heater and the cold bimetal first, then force a defrost: if the heater warms on a forced defrost but the coil still ices, the board isn't starting defrost on its own.

8 steps ~60 minmoderate
Guide · Refrigerator

Ice dispenser not dispensing ice (ice maker is making ice)

Most cases are mechanical: cubes fused into a block, a bin not fully seated on the auger drive, or ice behind the auger motor. After that, check the electrical path: door switch, dispenser switch, auger motor voltage and, on crushed/cubed models, the cube solenoid. Water dispensing working is a useful clue that the dispenser control has power.

8 steps ~45 minmoderate
Guide · Refrigerator

Refrigerator runs all the time

First decide if it's really a problem. Whirlpool says 40-80% run time is normal at average room temperature, and newer variable-speed compressors are designed to run long at low speed. If it's truly excessive, the usual causes are heat-rejection problems (dirty condenser, dead condenser fan), air leaks (gaskets, doors) and a frosted evaporator. A compressor or refrigerant fault is a referral.

8 steps ~45 mineasy

Other refrigerators manuals

Manual · Refrigerator

Whirlpool / Maytag / Amana top-freezer refrigerator (WRT series): field service manual

Whirlpool-built top-mount refrigerators sold under the WRT and similar series and their sister badges: older units with a mechanical defrost timer, and later units with an adaptive defrost control (ADC) board. Dial or slider controls, single evaporator in the freezer.

9 components6 common failuresWhirlpool, Maytag, Amana, Roper
Manual · Refrigerator

GE / Hotpoint top-freezer refrigerator (GTS, GTE, GIE series): field service manual

GE-built top-mount refrigerators in the GTS, GTE and similar series and Hotpoint equivalents: older units with a mechanical defrost timer, later units with an electronic defrost control board. Two-dial controls (freezer and fresh food) or a single cold-to-coldest dial.

8 components5 common failuresGE, Hotpoint
Manual · Refrigerator

Frigidaire top-freezer refrigerator (FFTR, FFHT, LFTR series): field service manual

Frigidaire-built top-mount refrigerators in the FFTR, FFHT and similar series, with a mechanical cold control and air-damper control, or slider/electronic controls on some models. Single evaporator in the freezer. Mechanical timer on older units; adaptive defrost control on many later ones.

7 components5 common failuresFrigidaire, Electrolux-built
Café CVE28DP 4-door French door with convertible drawer (CVE28DP2NS1 / CVE28DP3ND1 / CVE28DP4NW2): quick sheet · OnCall Tech