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Castor • Central Diagnostic Dictionary

191 Verified Codes in Database

Castor Error Codes & Diagnostics

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

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

CodeAppliancesFault / DiagnosticsRepair InstructionsAction

E8

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

Castor CIE Series / Piano Cottura Induzione Cooktop: Power supply line communication missing E8; power board detects missing AC phase voltage on multi-phase terminal connection.

On Castor (Castor CIE Series / Piano Cottura Induzione Cooktop) models: Tripped individual phase breaker in distribution panel, loose phase jumper link in hob terminal box, or open contact in cooktop isolation switch.

Check electrical distribution board for tripped breakers. Measure AC voltage between each active phase and Neutral at hob terminal block (~230V AC each). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E9

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

Castor CIE Series / Piano Cottura Induzione Cooktop: Touch control configuration error E9; interface microprocessor checksum does not match induction generator firmware.

On Castor (Castor CIE Series / Piano Cottura Induzione Cooktop) models: Mismatched replacement user interface board installed, corrupted configuration bytes in EEPROM, or missing pairing calibration procedure.

Perform complete factory reset: hold keylock and power keys simultaneously for 10 seconds. If error persists, calibrate configuration via service tool. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E9C

Washing Machine

General System & Mechanical Integration

Castor CWF Series / Master Lavatrice Front Load Washer: Capacitive touch user interface board configuration failure E9C; touch controller chip initialization fails.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Capacitive sensing matrix calibration error caused by moisture condensation on touch panel backplate, or damaged touch controller IC.

Dry front panel interior thoroughly with warm air blower. Ensure no metallic springs are bent or dislodged from touch sensors. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E9E

Washing Machine

General System & Mechanical Integration

Castor CWF Series / Master Lavatrice Front Load Washer: User interface board touch sensing keypad hardware defect E9E; continuous touch detection or blocked key.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Dirt, grease, or detergent film on outer glass surface, cracked front glass fascia, or short circuit on capacitive sensor pad.

Clean exterior glass surface with microfiber cloth and glass cleaner. If error persists without external touch, replace touch interface board. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E10

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Water fill timeout alarm E10; appliance fails to reach minimum static wash water level within 5 minutes.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Inlet water tap closed, kinked inlet hose, clogged solenoid valve filter screen, defective 230V solenoid valve coil (expected 3.5–4.5 kΩ), or open triac on EWM motherboard.

Verify household water pressure (min 1 bar). Unscrew inlet hose and clean mesh filter. Measure solenoid valve coil resistance with multimeter (3.5–4.5 kΩ). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E11

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Fill timeout during wash phase E11; water level drops below electronic pressure sensor threshold while tumbling.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Siphoning down the drain pipe (drain hose inserted too deep into standpipe < 60 cm height), partial water supply restriction, or leaky pressure switch chamber hose.

Check drain hose height (must be between 65 cm and 100 cm with air anti-siphon gap). Inspect pressure transducer tubing for perforations or moisture. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E12

Washing Machine

Water Inlet Valve, Aquastop & Flowmeter

Castor CWF Series / Master Lavatrice Front Load Washer: Condenser water fill error E12 on washer-dryer; cold water injection for condensation fails during dry cycle.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Secondary solenoid valve for drying condenser open-circuit (expected 3.8–4.4 kΩ), lime buildup in condenser nozzle, or dedicated triac failure on main PCB.

Measure resistance across the drying condenser solenoid valve coil (expected ~4 kΩ). Clean nozzle orifice in rear air duct. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E13

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Water leakage detected / continuous water level drop alarm E13 during active washing cycle.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Punctured tub or tub seal, torn door bellow gasket, loose drain pump filter O-ring, or leaking pressure sensor air bell tube.

Inspect bottom base pan for water accumulation. Examine door boot gasket and tub seams under 40W test lamp. Secure all hose clamps. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E20

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: Water drainage general fault E20; machine cannot evacuate water before spin or rinse cycle transition.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Drain filter clogged by coins or lint, foreign object jammed in pump impeller, synchronous pump coil open (nominal 160–220 Ω), or kinked waste pipe.

Unscrew lower front filter and clean impeller housing. Verify free impeller rotation. Measure pump motor coil with multimeter (160–220 Ω). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E21

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Draining timeout E21; water level fails to drop below empty threshold frequency within 90 seconds of pump activation.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Clogged domestic wall siphon, blocked sump hose eco-ball valve, worn pump magnetic impeller slipping under head pressure, or blocked pressure air trap.

Disconnect drain hose from wall siphon and discharge into bucket to test flow. Disassemble black sump hose to verify eco-ball movement. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E22

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: Draining anomaly during drying cycle E22 on washer-dryer; condensate water accumulates in lower chamber.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Lint clogging condenser duct drain, intermittent drain pump thermal trip during prolonged drying heat, or faulty pressure signal under warm vapor.

Flush drying condenser duct with warm water to clear lint agglomerations. Check drain pump continuous operation under heated cycle. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E23

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: Drain pump triac failure E23; pump runs continuously or triac circuit detects short circuit on main PCB.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Electronic triac on main control PCB damaged by short-circuited drain pump coil (excess current > 2A) or moisture ingress at pump spade terminals.

Check drain pump stator coil resistance before replacing PCB (if < 150 Ω, replace pump first!). Inspect PCB triac circuit for burned trace. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E24

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: Drain pump sensing feedback circuit error E24; microprocessor reads incorrect sensing voltage across pump line.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Drain pump disconnected or open circuit (infinite Ω), broken copper wire in harness, or defective sensing divider resistors on motherboard.

Verify wiring continuity from main PCB connector J1 to drain pump terminals. Measure pump coil resistance (nominal 160–220 Ω). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E25

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: AquaStop / auxiliary drain circuit anomaly E25; safety drain relay or secondary drain sensing mismatch.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Micro-switch contacts oxidized on base float sensor, auxiliary pump triac damaged, or logic mismatch in dual-drain system.

Inspect bottom drip tray for water and test float switch continuity (< 1 Ω closed). Check auxiliary relay contacts on main PCB. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E30

Tumble Dryer

Drive Motor, Inverter & Tachometer Sensor

Castor CDE Series / Secca Rapido Condenser Dryer: Moisture sensing error E30; the electronic control detects abnormal conductance signals from drum sensing strips.

On Castor (Castor CDE Series / Secca Rapido Condenser Dryer) models: Worn carbon sensing brushes on drum perimeter, oxidized stainless steel drum rib contacts, calcified sensing strips, or broken signal cable to main board.

Clean stainless steel drum sensors with white vinegar. Inspect carbon brushes above drum (check continuity < 5 Ω). Replace worn brushes. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E30

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Electronic pressure system general fault E30; water level sensing inconsistent across wash cycle.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Pressure switch air bell blocked with detergent sludge, kinked air tube, analog sensor frequency drift, or 5V DC supply rail unstable.

Remove air trap bell from bottom of tub and flush with boiling water. Check 5V DC supply at pressure sensor harness connector. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E31

Tumble Dryer

Electronic Control Board (PCB) & Bus Communications

Castor CDE Series / Secca Rapido Condenser Dryer: Conductance sensor frequency out of range E31; oscillator circuit generates signal frequency exceeding tolerance limits.

On Castor (Castor CDE Series / Secca Rapido Condenser Dryer) models: Short circuit to ground in sensing brush wiring, damp insulation around drum earth grounding tab, or defective capacitor on main PCB oscillator.

Disconnect sensor wire harness and measure insulation resistance to earth (> 10 MΩ). Inspect rear drum shaft earth grounding spring. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E31

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Electronic pressure sensor frequency out of range E31; sensor output signal < 32 Hz or > 46 Hz.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Defective internal oscillator in electronic pressure sensor, damaged diaphragm, open circuit on 5V DC/GND/Signal wires, or faulty MCU input pin.

Use multimeter frequency mode (Hz) to measure signal on center pin (nominal empty frequency ~43.5 Hz). Replace electronic pressure switch if static frequency is out of 42–45 Hz range. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E32

Tumble Dryer

Drive Motor, Inverter & Tachometer Sensor

Castor CDE Series / Secca Rapido Condenser Dryer: Conductance sensor signal unstable or open circuit E32; clothes dry cycle terminates prematurely leaving laundry damp.

On Castor (Castor CDE Series / Secca Rapido Condenser Dryer) models: Worn out carbon brush losing contact during drum rotation, loose connector at terminal J2 on motherboard, or broken drum grounding strap.

Remove top cover and verify physical pressure of carbon brushes against drum ring. Clean contact area and check continuity while rotating drum by hand. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E32

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: Electronic pressure sensor calibration error E32 during drain phase; calibration frequency does not stabilize.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Residual water remaining in tub due to slow draining, partial blockage in air bell holding trapped pressure, or defective pressure transducer.

Drain tub completely manually via emergency drain plug. Disconnect pressure hose to equalize atmospheric pressure, reconnect tightly. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E33

Washing Machine

Heating Element, Thermostat & Safety Fuse

Castor CWF Series / Master Lavatrice Front Load Washer: Level incongruence alarm E33; discrepancy between electronic pressure sensor and anti-boil protection switch.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Current leakage from heating element to ground (> 2 mA), defective anti-boil mechanical switch, or faulty resistor network on PCB level sensing circuit.

Measure heating element insulation resistance to earth with 500V megohmmeter (must exceed 10 MΩ; if < 2 MΩ replace heating element!). Inspect anti-boil switch continuity. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E34

Washing Machine

General System & Mechanical Integration

Castor CWF Series / Master Lavatrice Front Load Washer: Level incongruence alarm E34; mismatch between analog sensor frequency and anti-overflow safety switch.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Anti-overflow mechanical contact stuck open or closed, analog sensor calibration drifted, or electrical noise on analog signal line.

Test continuity of mechanical anti-overflow switch contacts (should be closed at rest < 1 Ω). Verify analog pressure sensor frequency (~43.5 Hz empty). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E35

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Water overfill safety protection active E35; water level exceeds maximum safety limit and triggers safety drain.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Solenoid inlet valve mechanically stuck open due to sand or limescale, triac on main PCB short-circuited continuously powering inlet valve, or air tube disconnected.

Shut off household water tap immediately. Unplug appliance. If water continues flowing while unplugged, replace mechanical inlet valve. Check triac voltage (0V when idle). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E38

Washing Machine

Water Level Pressure Switch & Air Dome

Castor CWF Series / Master Lavatrice Front Load Washer: Pressure chamber blocked alarm E38; analog sensor frequency fails to vary during drum rotation.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Thick soap scum clogging pressure bell orifice, broken drum drive belt causing no mechanical agitation wave, or kinked air hose.

Check drum drive belt integrity behind rear panel. Disassemble lower pressure air trap bell and clean out all detergent sludge. Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E40

Washing Machine

Heating Element, Thermostat & Safety Fuse

Castor CWF Series / Master Lavatrice Front Load Washer: Door interlock general warning E40; door fails to lock securely or latch status is unconfirmed at cycle start.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Door ajar, latch hook misaligned in strike plate, defective PTC interlock pill (nominal 800–1400 Ω), or triac trigger failure on main PCB.

Push door firmly to ensure positive latch engagement. Measure PTC heater resistance across terminals 3 and 5 (800–1400 Ω). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E41

Washing Machine

Door Lock Mechanism & Safety Interlock

Castor CWF Series / Master Lavatrice Front Load Washer: Door open during cycle alarm E41; interlock micro-switch contact open while wash programme is active.

On Castor (Castor CWF Series / Master Lavatrice Front Load Washer) models: Door pushed outward by oversized laundry load, broken door hinge sagging downwards, or worn internal copper contacts inside door interlock.

Check door hinge alignment and tighten hinge screws. Test continuity of interlock switch contact (< 0.5 Ω when door locked). Hold Start and Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E42

Washing Machine

Drainage System & Drain Pump

Castor CWF Series / Master Lavatrice Front Load Washer: Door unlocking aperture failure E42; door interlock fails to release latch mechanism after cycle completes.

On Castor (Castor CWF Series / Master Lavatrice Front Load 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 Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E43

Washing Machine

Door Lock Mechanism & Safety Interlock

Castor CWF Series / Master Lavatrice Front Load Washer: Door lock triac circuit failure E43 on main PCB; triac short-circuited or continuously energizing lock coil.

On Castor (Castor CWF Series / Master Lavatrice Front Load 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 Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E44

Washing Machine

Heating Element, Thermostat & Safety Fuse

Castor CWF Series / Master Lavatrice Front Load Washer: Door closure sensing circuit incongruence E44; microprocessor reads invalid feedback voltage on lock status line.

On Castor (Castor CWF Series / Master Lavatrice Front Load 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 Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

E45

Washing Machine

Heating Element, Thermostat & Safety Fuse

Castor CWF Series / Master Lavatrice Front Load Washer: Door triac sensing circuit incongruence E45; triac state does not match microprocessor command gate signal.

On Castor (Castor CWF Series / Master Lavatrice Front Load 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 Reset keys for 5 seconds until the display clears the alarm code and restores standby status.

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Castor — Complete Error Code Catalog

167 Verified Error Codes

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

Dishwasher45

AL5 AL6 C1 C2 C3 i5A i5B i5C i5D i5E i5F i10 i11 i20 i22 i23 i24 i30 i40 i41 i43 i44 i50 i51 i52 i53 i54 i55 i56 i57 i58 i59 i60 i61 i63 i64 i70 i80 i90 iA0 iB0 iC0 iD0 iF0 iF1

Washing Machine57

C9 CF E3A E5A E5C E5D E5E E5F E5H E6H E9C E9E E10 E11 E12 E13 E20 E21 E22 E23 E24 E25 E33 E34 E35 E38 E40 E41 E42 E43 E44 E45 E66 E68 E69 E74 E82 E83 E84 E85 E94 E95 E97 E98 EA0 EA1 EA6 EB0 EF0 EF1 EF2 EF3 EF4 EF5 EH1 EH2 EH3

Tumble Dryer25

E30 E31 E32 E50 E51 E52 E53 E54 E57 E58 E59 E60 E61 E62 E63 E70 E71 E72 E73 E80 E90 E91 E92 E93 EH0

Oven / Microwave12

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

Hob / Cooktop12

E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA F

Refrigerator / Freezer16

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

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