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Kelvinator • Central Diagnostic Dictionary

88 Verified Codes in Database

Kelvinator Error Codes & Diagnostics

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

Luxury front-loading washing machine in brushed titanium with illuminated dark glass drum

CodeAppliancesFault / DiagnosticsRepair InstructionsAction

E42

Washing Machine

Drainage System & Drain Pump

Kelvinator HeavyDuty / KWF Series Washer: Door unlocking aperture failure E42; door interlock fails to release latch mechanism after cycle completes.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: PTC bi-metal strip failed to cool down, mechanical bimetal latch jammed, or instant pulse unlock solenoid coil open circuit (nominal 120–250 Ω).

Wait 3 minutes for bi-metal to cool. If still locked, use manual emergency release cord located behind drain filter flap. Replace door interlock. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E43

Washing Machine

Door Lock Mechanism & Safety Interlock

Kelvinator HeavyDuty / KWF Series Washer: Door lock triac circuit failure E43 on main PCB; triac short-circuited or continuously energizing lock coil.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Door interlock PTC or solenoid coil experienced internal short circuit, destroying the power triac (TY1/TY2) on main EWM board.

CRITICAL: Measure door interlock resistance before installing new PCB (PTC must be > 800 Ω; solenoid > 120 Ω). Replace both interlock and PCB if damaged. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E44

Washing Machine

Heating Element, Thermostat & Safety Fuse

Kelvinator HeavyDuty / KWF Series Washer: Door closure sensing circuit incongruence E44; microprocessor reads invalid feedback voltage on lock status line.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Damaged sensing resistor divider on main PCB, broken wire in door harness connector J2, or oxidized contacts at interlock plug.

Inspect wiring harness between main PCB connector J2 and door interlock. Clean connector spade pins with electrical contact cleaner. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E45

Washing Machine

Heating Element, Thermostat & Safety Fuse

Kelvinator HeavyDuty / KWF Series Washer: Door triac sensing circuit incongruence E45; triac state does not match microprocessor command gate signal.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Defective gate resistor on triac circuit, optocoupler gate isolation failure, or damaged microprocessor I/O port pin.

Inspect door triac gate drive components on main PCB. Replace main electronic motherboard if triac gate circuit has failed. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E50

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

Kelvinator HeavyDuty / KWF Series Washer: Motor drive general alarm E50; motor drive system failure stopping drum rotation during cycle.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Worn carbon brushes (< 15 mm length) on universal motor, broken drive belt, inverter module trip, or motor thermal protector tripped.

Inspect motor carbon brushes (replace if < 15 mm). On inverter brushless models, verify free drum rotation and inspect inverter board. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E51

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

Kelvinator HeavyDuty / KWF Series Washer: Motor drive triac short circuit E51; universal motor spins at maximum uncontrolled speed immediately at start.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Power triac on main PCB short-circuited (anode to cathode breakdown), motor field winding grounded, or carbon dust buildup bridging terminals.

Blow compressed air across motor terminal block to clear carbon dust. Measure motor insulation resistance to ground (> 10 MΩ). Replace main PCB triac. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E52

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

Kelvinator HeavyDuty / KWF Series Washer: Motor tachometer generator failure E52; motor starts briefly, judders, and stops without speed regulation.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Tachometer coil open circuit (nominal 130–220 Ω on universal motor), loose magnet ring detached from rear motor shaft, or broken wiring.

Measure tachometer coil resistance across motor pins 1 and 2 (expected 130–220 Ω). Check that magnet ring is securely tightened on motor shaft. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E53

Washing Machine

Heating Element, Thermostat & Safety Fuse

Kelvinator HeavyDuty / KWF Series Washer: Motor triac sensing circuit faulty E53; microprocessor receives out-of-range sensing voltage from motor triac.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Resistor network on PCB triac sensing line open or drifted, damaged optocoupler feedback diode, or cracked solder joint on power board.

Inspect main control board for thermal discoloration around motor triac heat sink. Resolder cracked joints or replace motherboard. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E54

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

Kelvinator HeavyDuty / KWF Series Washer: Motor reversing relay contacts welded E54; drum rotates in only one direction or motor locks in place.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Electrical arcing welded contacts of motor direction reversal relays (RL1/RL2) on main PCB due to heavy drum load or high startup surge.

De-energize machine. Tap reversing relays gently with plastic handle to free stuck contacts, or replace 12V DC relays / main PCB. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E57

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

Kelvinator HeavyDuty / KWF Series Washer: Inverter module overcurrent fault E57; peak inverter current exceeds 15A threshold during motor acceleration.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Short-circuited stator winding in 3-phase inverter motor, seized drum bearings creating severe mechanical resistance, or shorted IGBT power bridge.

Rotate drum by hand to confirm free mechanical movement. Measure winding resistance across all three motor phases U-V, V-W, W-U (must be strictly balanced: 5–8 Ω each). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E58

Washing Machine

Drainage System & Drain Pump

Kelvinator HeavyDuty / KWF Series Washer: Inverter motor phase current overload E58; continuous phase current exceeds 4.5A for > 5 seconds.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Excessive wash load weight, laundry jammed between tub and drum lip, foreign object caught in drain tub boot, or demagnetized rotor.

Remove excess laundry load. Check clearance between drum lip and front door gasket. Measure phase-to-phase stator balance with multimeter. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

E59

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

Kelvinator HeavyDuty / KWF Series Washer: No tachometer signal from 3-phase inverter motor E59 for > 3 seconds after inverter activation.

On Kelvinator (Kelvinator HeavyDuty / KWF Series Washer) models: Internal Hall sensor / tachometer coil open circuit, loose wiring connector on motor rear, or broken wire in inverter wiring loom.

Check wiring continuity between inverter board connector and motor tachometer pins. Measure tachometer coil resistance (nominal 110–135 Ω on inverter motor). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F1

Refrigerator / Freezer

NTC Temperature Sensor & Thermistor

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Fresh food compartment air sensor failure F1; refrigerator compartment temperature regulation becomes erratic.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost Refrigerator) models: Refrigerator compartment NTC thermistor open or short circuit (~2.5 kΩ or ~5.0 kΩ at 25°C depending on platform), or moisture on sensor connector.

Locate air sensor inside fresh food compartment. Measure resistance with multimeter (typically ~2.5 kΩ at 25°C, rising to ~5.9 kΩ at 4°C). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F2

Refrigerator / Freezer

Refrigeration Compressor, Defrost Heater & PTC Relay

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Evaporator coil sensor failure F2; automatic defrost termination monitoring fails, risking ice accumulation on coil.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost Refrigerator) models: Evaporator clip-on NTC probe defective or dislodged from refrigerant return bend, water ingress freezing inside probe sleeve, or open wire.

Remove rear freezer panel. Test evaporator NTC resistance (typically ~2.5 kΩ at 25°C, rising to ~16.3 kΩ at -18°C). Clip firmly to copper return pipe. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F3

Refrigerator / Freezer

NTC Temperature Sensor & Thermistor

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Ambient room temperature sensor error F3; external climate class compensation calculation disabled.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost Refrigerator) models: Ambient NTC thermistor inside top hinge cover or display module open/shorted, or severed wire pinched by refrigerator door upper hinge.

Remove top hinge plastic cover. Inspect ambient NTC sensor and harness. Measure resistance (~2.5 kΩ or ~5.0 kΩ at 25°C room temperature). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F4

Refrigerator / Freezer

NTC Temperature Sensor & Thermistor

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Freezer compartment temperature sensor failure F4; freezer cooling runs in continuous emergency backup mode.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost Refrigerator) models: Freezer air NTC sensor open circuit or damaged by frozen condensation, broken wire behind freezer inner liner, or corrupted ADC input on motherboard.

Access freezer air sensor probe. Test resistance with ohmmeter: ~2.5 kΩ at 25°C, increasing to ~16.3 kΩ at -18°C. Replace sensor probe if out of spec. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F5

Refrigerator / Freezer

Refrigeration Compressor, Defrost Heater & PTC Relay

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Defrost heater circuit failure F5; electric defrost heater fails to energize, causing frost to clog evaporator fins.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost Refrigerator) models: Open glass calrod/metal defrost heating element (nominal 200–350W, ~150–260 Ω), blown thermal fuse in series (72°C or 77°C), or burnt defrost relay on PCB.

Access bottom of evaporator. Disconnect defrost element and measure resistance (~150–260 Ω). Test thermal fuse continuity with ohmmeter (< 0.5 Ω). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F6

Refrigerator / Freezer

Refrigeration Compressor, Defrost Heater & PTC Relay

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Inverter compressor driver fault F6; BLDC compressor fails to start or inverter trips due to over-current.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost Refrigerator) models: Seized compressor piston mechanism, open winding in 3-phase BLDC stator (~6–15 Ω between all terminal pairs), or blown power transistors on inverter board.

Measure resistance across all 3 compressor pins with ohmmeter (must be equal: ~6–15 Ω). Measure PWM frequency signal from main PCB to inverter board. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F7

Refrigerator / Freezer

Refrigeration Compressor, Defrost Heater & PTC Relay

Kelvinator Opal / ColdMaster / No-Frost Refrigerator: Evaporator fan motor malfunction F7; fan motor blocked by ice or hall feedback pulse missing, starving airflow.

On Kelvinator (Kelvinator Opal / ColdMaster / No-Frost 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.

Manually spin fan blade to check for ice obstruction. Measure 12V DC supply to fan terminals with multimeter during test mode. Replace fan if seized. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F101

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Kelvinator KOB Series / RoastMaster Built-in Oven: Door lock motorized latch error F101; oven door fails to lock automatically during pyrolytic cleaning initiation.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Defective door lock synchronous gear motor (coil resistance ~2.0–2.8 kΩ), stuck cam mechanism, broken microswitch contact, or warped door hinge preventing flush seal.

Disconnect oven from mains. Access top latch assembly. Measure lock motor coil resistance (2.0–2.8 kΩ). Verify microswitch continuity with door closed (< 1 Ω). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F102

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Kelvinator KOB Series / RoastMaster Built-in Oven: Door unlock timeout F102; pyrolytic latch remains engaged even after cavity temperature drops below safe threshold (300°C).

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Latching cam stuck in locked position, burnt triac on motherboard driving lock motor, or misaligned unlock feedback microswitch.

Check for mechanical jamming in linkage. Test microswitch 2 (normally open, switches to < 1 Ω when unlocked). Verify 230V drive pulse from control board. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F103

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Kelvinator KOB Series / RoastMaster Built-in Oven: Tangential cooling fan speed error F103; cooling blower fails to rotate or tacho pulse frequency is too low.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Tangential fan motor winding open (nominal 150–220 Ω), foreign debris stopping blower blades, loose hall effect sensor connector, or blown fan triac.

Isolate oven from power and inspect fan blades for free rotation. Measure motor winding resistance (150–220 Ω). Verify 5V DC supply to hall sensor. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F104

Oven / Microwave

Electronic Control Board (PCB) & Bus Communications

Kelvinator KOB Series / RoastMaster Built-in Oven: Electronic control board over-temperature F104; thermal sensor on main PCB measures excessive temperature (> 85°C).

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Cooling fan failure during extended high-temperature bake or pyrolytic cycle, blocked top ventilation slits in cabinet, or deteriorated cavity insulation.

Check kitchen installation clearances (minimum 50mm rear air gap). Ensure cabinet vents are clear of obstructions. Verify cooling blower operation. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F105

Oven / Microwave

NTC Temperature Sensor & Thermistor

Kelvinator KOB Series / RoastMaster Built-in Oven: Food meat probe circuit error F105; internal temperature sensing probe jack shorted, open, or reading abnormal resistance.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Grease or moisture penetration inside probe cavity jack, damaged silicone cable on meat probe needle, or open PT1000 sensor inside probe tip (~1079 Ω at 20°C).

Unplug meat probe from cavity socket. Clean socket contacts with isopropyl alcohol. Measure probe resistance across plug pins with multimeter (~1079 Ω at 20°C). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F106

Oven / Microwave

Heating Element, Thermostat & Safety Fuse

Kelvinator KOB Series / RoastMaster Built-in Oven: Heating safety relay welded F106; main PCB detects continuity through heating element relay contacts when deactivated.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Electrical arcing welded the 16A relay contacts on the power PCB, or transient voltage spike degraded the relay coil switching driver.

Disconnect oven mains immediately. Inspect relay contacts on power PCB with ohmmeter (must read ∞ Ω open circuit when unpowered). Replace PCB or relay. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F107

Oven / Microwave

Electronic Control Board (PCB) & Bus Communications

Kelvinator KOB Series / RoastMaster Built-in Oven: Internal communication link error F107; display module loses serial data exchange with the main power control board.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Oxidized or unlatched edge connectors on multi-core ribbon cable, loss of 12V DC power bus supply, or firmware transmission parity errors.

Inspect connecting ribbon cable between UI display and power PCB. Re-seat connectors and check continuity (< 1 Ω). Verify 12V DC and 5V DC voltages. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F108

Oven / Microwave

Heating Element, Thermostat & Safety Fuse

Kelvinator KOB Series / RoastMaster Built-in Oven: Electrical mains frequency error F108; the clock oscillator detects power line frequency outside 50Hz / 60Hz limits.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Emergency backup generator supply with dirty sine wave, extreme voltage harmonic distortion from heavy loads, or zero-cross detection resistor damaged on PCB.

Measure line frequency with digital multimeter (must be steady 50.0 Hz or 60.0 Hz ±0.5 Hz). Ensure oven is connected to pure utility grid supply. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F109

Oven / Microwave

NTC Temperature Sensor & Thermistor

Kelvinator KOB Series / RoastMaster Built-in Oven: Cavity temperature sensor fault F109; electronic board detects open circuit or shorted PT500 / PT1000 temperature sensor.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Open platinum thermal sensor element in oven back wall (nominal ~540 Ω for PT500 or ~1080 Ω for PT1000 at 20°C), broken wiring lead, or pinched heat-resistant cable.

Disconnect oven mains. Access rear panel cavity sensor harness. Measure resistance with multimeter (PT500 reads ~540 Ω at 20°C; PT1000 reads ~1080 Ω at 20°C). Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F110

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Kelvinator KOB Series / RoastMaster Built-in Oven: Door lock position mismatch F110; microswitch sensing signals conflict with commanded lock motor position.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Bent microswitch operating arm on lock assembly, cracked cam profile, or loose harness wires swapping position 1 and position 2 feedback lines.

Inspect door lock assembly on top frame. Manually actuate lock cam to verify microswitch contacts toggle cleanly between 0 Ω and ∞ Ω. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

F111

Oven / Microwave

Heating Element, Thermostat & Safety Fuse

Kelvinator KOB Series / RoastMaster Built-in Oven: Heating rise timeout F111; oven temperature fails to increase by at least 15°C within 15 minutes of heating initiation.

On Kelvinator (Kelvinator KOB Series / RoastMaster Built-in Oven) models: Open circular fan-forced heating element (~28–32 Ω, ~2000W), open bottom heating element (~40–48 Ω, ~1000W), tripped manual Klixon safety stat, or open relay coil.

Disconnect oven power and remove rear access shield. Measure resistance of circular (~30 Ω), top grill (~22 Ω), and bottom (~44 Ω) heating elements. Hold Start and Cancel/Clear buttons together for 5 seconds until service diagnostic mode exits and clears memory.

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Kelvinator — Complete Error Code Catalog

88 Verified Error Codes

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

Dishwasher25

i5A i5B i5C i5D i10 i11 i20 i22 i23 i24 i30 i40 i41 i43 i44 i50 i51 i52 i53 i54 i55 i56 i57 i58 i59

Washing Machine35

E3A E5A E5C E5D E10 E11 E12 E13 E20 E21 E22 E23 E24 E25 E30 E31 E32 E33 E34 E35 E38 E40 E41 E42 E43 E44 E45 E50 E51 E52 E53 E54 E57 E58 E59

Oven / Microwave12

F101 F102 F103 F104 F105 F106 F107 F108 F109 F110 F111 F112

Refrigerator / Freezer16

E01 E02 E03 E04 E05 E06 E07 F1 F2 F3 F4 F5 F6 F7 SY EF 5Y EF

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