Maytag Refrigerator / Freezer CI

Maytag error code CI indicates: Maytag PowerCold MFI French Door Refrigerator: Diagnostic code CI indicates ice maker harvest arm motor stalled; ejector blades jammed against ice cubes in mold..

The primary root cause for Maytag code CI is: On Maytag refrigerators (Maytag Commercial Technology (MCT) heavy-duty direct-drive chassis): Ice bridge formation over ejector rake, stripped plastic drive gears, or open harvest motor coil (3.5–5.0 kΩ, 230V AC)..

To resolve error code CI: Disconnect power. Clear stuck ice cubes with warm water. Test harvest motor coil resistance (3.5–5.0 kΩ). Check optical beam sensor. Replace ice maker if drive gear is stripped. Press and hold the Water Filter Reset pad for 3 seconds until chime confirms reset and indicator turns blue.

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Maytag code CI persists, the physical component causing On Maytag refrigerators (Maytag Commercial Technology (MCT) heavy-duty direct-drive chassis): Ice bridge formation over ejector rake, stripped plastic drive gears, or open harvest motor coil (3.5–5.0 kΩ, 230V AC). must be inspected or replaced.

Set a digital multimeter to ohms (Ω). Disconnect power and test 3-Phase Motor Windings / Tacho Generator / Carbon Brushes across Across phase pins U-V, V-W, U-W on motor harness; across tacho pins. Expected nominal reading is 3Ω–6Ω (BLDC phase U-V-W) / 60Ω–180Ω (Tacho coil) / 1.5Ω–3.5Ω (Universal stator). Tolerance: BLDC phase winding values must be strictly balanced within ±0.3Ω. Hand rotation generates 1V–4V AC on tacho..

Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.