Westinghouse i50

Westinghouse error code I50 indicates: Westinghouse WDF Series / Fast 30 Wash Dishwasher: Circulation wash pump motor general alarm i50; wash motor fails to circulate water through spray arms..

The primary root cause for Westinghouse code I50 is: On Westinghouse (Westinghouse WDF Series / Fast 30 Wash Dishwasher) models: Circulation pump motor capacitor failed (if single-phase), BLDC inverter stator winding open, jammed motor rotor, or triac/inverter driver fault..

To resolve error code I50: Measure motor winding resistance across phases (balanced 40–90 Ω on BLDC motor). Check run capacitor (~2.5–3.5 µF) if fitted. Ensure free rotation. Press Start/Pause together with Temp button for 5 seconds to exit service diagnostic mode and clear persistent EEPROM alarm.

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Westinghouse code I50 persists, the physical component causing On Westinghouse (Westinghouse WDF Series / Fast 30 Wash Dishwasher) models: Circulation pump motor capacitor failed (if single-phase), BLDC inverter stator winding open, jammed motor rotor, or triac/inverter driver fault. 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.