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Westinghouse • Central Diagnostic Dictionary
125 Verified Codes in Database

Westinghouse Error Codes & Diagnostics

Access our premium database of error codes, common faults, and professional repair solutions for Westinghouse appliances.

Luxury front-loading washing machine in brushed titanium with illuminated dark glass drum
CodeAppliancesFault / DiagnosticsRepair InstructionsAction
i57
Dishwasher
Drive Motor, Inverter & Tachometer Sensor

Westinghouse WDF Series / Fast 30 Wash Dishwasher: Circulation pump inverter phase current imbalance i57; unequal current distribution across stator coils.

On Westinghouse (Westinghouse WDF Series / Fast 30 Wash Dishwasher) models: High-resistance connection on one motor phase pin, partial insulation breakdown between windings, or defective inverter driver channel.

Disconnect motor plug and inspect pins for discoloration. Measure DC resistance of all 3 phase pairs with high-precision multimeter. Press Start/Pause together with Temp button for 5 seconds to exit service diagnostic mode and clear persistent EEPROM alarm.

Diagnose
i58
Dishwasher
Drive Motor, Inverter & Tachometer Sensor

Westinghouse WDF Series / Fast 30 Wash Dishwasher: Circulation pump motor phase disconnected or stator open circuit i58; inverter senses missing phase current.

On Westinghouse (Westinghouse WDF Series / Fast 30 Wash Dishwasher) models: Cut wire in three-phase motor cable harness, terminal pin backed out of plastic housing, or open stator winding inside motor.

Test electrical continuity of each phase lead from inverter board to motor terminals (< 0.5 Ω). Replace motor if winding is open (infinite Ω). Press Start/Pause together with Temp button for 5 seconds to exit service diagnostic mode and clear persistent EEPROM alarm.

Diagnose
i59
Dishwasher
Water Level Pressure Switch & Air Dome

Westinghouse WDF Series / Fast 30 Wash Dishwasher: Circulation pump motor speed runaway or tachometer mismatch i59; rotor speed exceeds command target.

On Westinghouse (Westinghouse WDF Series / Fast 30 Wash Dishwasher) models: Cavitation in pump chamber caused by zero water intake or excessive foam, loose tachometer magnet, or inverter PWM control breakdown.

Check tub water level (must submerge sump filter base). Check for excessive foam from detergent. Verify tachometer magnet mounting. Press Start/Pause together with Temp button for 5 seconds to exit service diagnostic mode and clear persistent EEPROM alarm.

Diagnose
SY EF
Refrigerator / Freezer
Refrigeration Compressor, Defrost Heater & PTC Relay

Westinghouse FlexSpace / Side by Side Refrigerator: System evaporator fan circuit failure SY EF; electronic control module detects no rotation speed feedback from evaporator blower.

On Westinghouse (Westinghouse FlexSpace / Side by Side Refrigerator) models: Ice accumulation freezing the fan blades, defective 12V DC brushless motor windings, severed connector lead, or blown fan driver IC on main motherboard.

Remove freezer back panel. Spin fan blade to verify free rotation. Measure 12V DC across fan red and black wires, and verify pulsing feedback on yellow wire. Press Start/Pause together with Temp button for 5 seconds to exit service diagnostic mode and clear persistent EEPROM alarm.

Diagnose
5Y EF
Refrigerator / Freezer
Refrigeration Compressor, Defrost Heater & PTC Relay

Westinghouse FlexSpace / Side by Side Refrigerator: System evaporator fan circuit failure 5Y EF; alternative 7-segment display rendering of SY EF error code on user console.

On Westinghouse (Westinghouse FlexSpace / Side by Side Refrigerator) models: Ice accumulation freezing the fan blades, defective 12V DC brushless motor windings, severed connector lead, or blown fan driver IC on main motherboard.

Inspect evaporator fan behind freezer back wall. Remove frost with warm air. Measure 12V DC motor supply and verify tacho feedback signal. Press Start/Pause together with Temp button for 5 seconds to exit service diagnostic mode and clear persistent EEPROM alarm.

Diagnose
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Westinghouse — Complete Error Code Catalog

114 Verified Error Codes

Server-side index of all verified manufacturer error codes for technicians and automated crawlers.

Dishwasher25

i5Ai5Bi5Ci5Di10i11i20i22i23i24i30i40i41i43i44i50i51i52i53i54i55i56i57i58i59

Washing Machine24

E3AE5AE5CE5DE10E11E12E13E20E21E22E23E24E25E33E34E35E38E40E41E42E43E44E45

Tumble Dryer25

E30E31E32E50E51E52E53E54E57E58E59E60E61E62E63E70E71E72E73E80E90E91E92E93EH0

Oven / Microwave12

F101F102F103F104F105F106F107F108F109F110F111F112

Hob / Cooktop12

E0E1E2E3E4E5E6E7E8E9EAF

Refrigerator / Freezer16

E01E02E03E04E05E06E07F1F2F3F4F5F6F7SY EF5Y EF
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