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Zoppas • Central Diagnostic Dictionary

191 Verified Codes in Database

Zoppas Error Codes & Diagnostics

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

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

CodeAppliancesFault / DiagnosticsRepair InstructionsAction

i5B

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter DC bus overvoltage alarm i5B; rectified bus voltage exceeds 430V DC.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Mains electrical grid voltage surge, rapid deceleration of heavy wash arm water momentum, or defective DC bus capacitor bank.

Measure incoming AC line voltage (nominal 230V AC ± 10%). Disconnect power for 10 minutes to discharge capacitors, then retest. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i5C

Dishwasher

Heating Element, Thermostat & Safety Fuse

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter DC bus undervoltage alarm i5C; rectified bus voltage drops below 175V DC under load.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Sag in mains AC voltage during heater activation, high contact resistance on power cord plug, or failing input bridge rectifier.

Measure wall outlet voltage under load while dishwasher heater and motor run simultaneously. Inspect power plug blades for burns. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i5D

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter communication line timeout i5D; main motherboard loses UART link with inverter.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Loose 4-wire serial communication cable between main board and motor inverter, cut wire, or missing logic power supply to inverter.

Check continuity of 4-wire serial interconnect harness. Verify 12V DC auxiliary logic power supply arriving at inverter board. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i5E

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter microcontroller hardware defect i5E; DSP chip fails power-on self-test.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Internal DSP memory corruption, failed timing crystal oscillator, or damaged 3.3V voltage regulator on inverter module.

Perform complete 10-minute mains power discharge. If i5E returns upon power-up, replace circulation pump inverter electronic module. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i5F

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter continuous reset condition i5F; watchdog timer resets processor repeatedly.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: High DC ripple on 3.3V logic rail caused by failing electrolytic capacitors, power brownout, or corrupted motor parameters.

Inspect inverter PCB for bulging capacitors. Verify clean DC voltages with oscilloscope or replace circulation inverter module. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i10

Dishwasher

Water Inlet Valve, Aquastop & Flowmeter

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Water fill timeout error i10; appliance fails to reach operational water fill level within 180 seconds.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Closed water tap, kinked supply hose, clogged inlet filter, defective AquaStop solenoid valve (nominal 3.8–4.4 kΩ), or blocked pressure sensor hose.

Check water tap pressure. Clean mesh filter in AquaStop coupling. Measure solenoid valve coil resistance with multimeter (3.8–4.4 kΩ). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i11

Dishwasher

Water Inlet Valve, Aquastop & Flowmeter

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Water fill timeout during active wash phase i11; flowmeter detects inadequate water intake volume.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Low dynamic water pressure (< 0.8 bar), water softener resin matrix restricting flow, or failing flowmeter impeller sensor.

Verify dynamic water flow rate into bucket (> 5 L/min). Inspect flowmeter reed switch wiring and verify pulse signal on oscilloscope/multimeter. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i20

Dishwasher

Drainage System & Drain Pump

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Water drain timeout error i20; wash water remains in sump after 90 seconds of drain pump activation.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Clogged fine mesh filter in tub sump, lemon seeds or broken glass jammed in drain impeller, kinked waste hose, or drain pump coil open (160–220 Ω).

Remove sump filter cylinders and clean under hot water. Check drain pump impeller through sump cavity. Measure pump motor resistance (160–220 Ω). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i22

Dishwasher

Drainage System & Drain Pump

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Siphon pressure sensor alarm i22; analog sensor detects back-pressure after drain cycle completes.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Kitchen sink siphon spigot not drilled out on new installation, grease blockage in drain hose non-return flap, or restricted wall pipe.

Inspect connection spigot under kitchen sink (ensure plastic membrane was drilled out). Clean rubber non-return flap in sump outlet. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i23

Dishwasher

Drainage System & Drain Pump

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Drain pump triac failure or feedback sensing mismatch i23 on main electronic motherboard.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Triac destroyed by short-circuited drain pump stator coil, moisture on pump spade terminals, or open sensing resistor on motherboard.

Measure drain pump coil resistance (must be 160–220 Ω; if < 150 Ω replace pump first!). Inspect PCB for burned triac package. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i24

Dishwasher

Drainage System & Drain Pump

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Drain pump circuit feedback incongruence i24; drain pump current draws outside operating window.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Pump running dry with zero hydraulic load (airlock), broken impeller decoupled from shaft, or high-resistance spade terminal connection.

Verify impeller is firmly fixed to motor shaft. Pour 2 liters of water into sump to prime pump cavity. Check spade crimp terminals. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i30

Dishwasher

Drainage System & Drain Pump

Zoppas PDF Series / Cristallo / Sanix Dishwasher: AquaControl flood protection active i30; base drip tray float triggered, drain pump runs continuously.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Internal water leak onto bottom pan, leaking door lower perimeter gasket, split circulation pump casing, or overflowing dispenser.

Disconnect power and shut water tap. Sponge out water from metal base pan. Inspect sump gasket, hoses, and door bottom seal for moisture. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i40

Dishwasher

General System & Mechanical Integration

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Analog pressure sensor general malfunction i40; uncalibrated or out-of-bounds pressure reading.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Fat deposit clogging pressure sensor trap at bottom of sump, defective transducer diaphragm, or broken 5V DC/GND/Signal wiring harness.

Clean sump pressure cavity with hot water and degreaser syringe. Measure 5V DC supply at sensor plug. Replace analog pressure sensor if faulty. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i41

Dishwasher

Water Level Pressure Switch & Air Dome

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Analog pressure sensor signal out of range i41; frequency or voltage exceeds operating window.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Pressure switch internal piezoelectric element failure, water entered sensor housing, or corroded connector terminal pins.

Inspect pressure switch pins for green corrosion. Measure output signal with multimeter. Replace analog pressure transducer if defective. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i43

Dishwasher

Water Level Pressure Switch & Air Dome

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Dynamic water level fluctuations alarm i43; abnormal pressure oscillations detected during circulation.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Spray arms jammed against tall plates or cutlery, lower spray arm clogged with lemon seeds, or foaming from rinse aid overfill.

Ensure upper and lower spray arms rotate freely by hand. Clean clogged spray arm nozzle orifices with a needle. Check for excessive foam. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i44

Dishwasher

General System & Mechanical Integration

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Pressure sensor zero calibration error at cycle start i44; sensor fails to establish atmospheric zero reference.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Water remaining in tub from previous cancelled cycle, pressure sensor pipe holding hydraulic head, or drifted sensor calibration.

Bail out all standing water from sump with a sponge. Blow gently into pressure sensor rubber hose to equalize pressure. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i50

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation wash pump motor general alarm i50; wash motor fails to circulate water through spray arms.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Circulation pump motor capacitor failed (if single-phase), BLDC inverter stator winding open, jammed motor rotor, or triac/inverter driver fault.

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. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i51

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump motor triac short circuit i51 on main motherboard; motor runs uncontrolled at full speed.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Circulation pump motor winding internal short circuit causing power triac breakdown, or water splashing onto main PCB connectors.

Measure circulation pump stator resistance before replacing PCB. Replace damaged motor and replace or repair triac circuit. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i52

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump motor tachometer signal missing i52; motor starts, vibrates, and shuts down after 3 seconds.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Tachometer generator coil open circuit (nominal 200–260 Ω on tachometer equipped models), detached rear magnet, or broken wiring in harness.

Measure tachometer coil resistance across motor tachometer terminals (200–260 Ω). Check magnet integrity on rear rotor shaft. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i53

Dishwasher

Heating Element, Thermostat & Safety Fuse

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump triac sensing circuit faulty i53; voltage feedback out of range on motherboard.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Sensing divider resistor drifted on main PCB, cracked solder joints around triac terminals, or optocoupler feedback failure.

Inspect main PCB circuit around circulation pump triac. Resolder cracked joints or replace main electronic control board. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i54

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump motor rotor blocked or mechanically jammed i54; wash pump draws locked rotor current.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Toothpick, olive pit, or broken glass shard jammed between pump impeller and casing, or seized ceramic rotor bushings.

Dismantle circulation pump head casing and clear obstruction from impeller vanes. Verify free manual rotation before reassembly. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i55

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter overcurrent detected i55; phase current exceeds peak threshold during wash.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Stator winding phase-to-phase partial short circuit, failing IGBT inverter bridge transistor, or high water viscosity from detergent gelatin.

Measure winding resistance across all 3 phases (must be strictly balanced within 5%: nominal ~45–65 Ω). Replace pump if unbalanced. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i56

Dishwasher

NTC Temperature Sensor & Thermistor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter thermal cutoff / motor overheating i56; internal thermistor exceeds safety cutoff.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Extended cycle with hot water intake (> 65°C), inadequate motor cooling in enclosed bottom base, or heavy bearing friction.

Allow motor to cool down for 30 minutes. Check inlet water temperature (max 60°C). Inspect motor bearings for friction or seizing. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i57

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump inverter phase current imbalance i57; unequal current distribution across stator coils.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix 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. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i58

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump motor phase disconnected or stator open circuit i58; inverter senses missing phase current.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix 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). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i59

Dishwasher

Water Level Pressure Switch & Air Dome

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Circulation pump motor speed runaway or tachometer mismatch i59; rotor speed exceeds command target.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix 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. Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i60

Dishwasher

NTC Temperature Sensor & Thermistor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Water heating general malfunction i60; wash water fails to heat to target temperature within cycle window.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Flow-through heating element open circuit (nominal 25–28 Ω, ~2000W), tripped Klixon safety thermostat, heating relay contact burnt on PCB, or NTC failure.

Measure resistance across heater element terminals with multimeter (nominal 25–28 Ω). Check continuity of inline thermal fuses (< 1 Ω). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i61

Dishwasher

NTC Temperature Sensor & Thermistor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Heating timeout or insufficient heating rate i61; water heating speed is less than 0.25°C per minute.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Thick limescale encrustation inside heating tube, low mains voltage (< 200V AC), or defective wash tub NTC sensor with upward resistance drift.

Descale dishwasher using professional citric descaler. Test wash water temperature with probe. Measure NTC resistance (4.8–6.0 kΩ at 20°C). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i63

Dishwasher

NTC Temperature Sensor & Thermistor

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Water heating temperature safety limit exceeded i63; wash water temperature exceeds 78°C.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Heating relay contacts welded closed on main PCB (continuous unswitched heating), wash NTC thermistor short-circuited, or MCU driver failure.

Turn dishwasher off immediately. Check voltage across heater element with cycle paused (must be 0V AC; if 230V AC replace stuck relay / PCB!). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

i64

Dishwasher

Heating Element, Thermostat & Safety Fuse

Zoppas PDF Series / Cristallo / Sanix Dishwasher: Heating element relay contacts welded or continuous heat signal i64 detected during initial cold pre-wash phase.

On Zoppas (Zoppas PDF Series / Cristallo / Sanix Dishwasher) models: Safety heater relay on main control board stuck closed prior to cycle start, or feedback sensing resistor network shorted to VCC.

Measure contact resistance across relay normally-open contacts with power disconnected (must be open circuit / infinite resistance ∞ Ω). Hold Avvio/Pausa and Annulla simultaneously for 5 seconds until the acoustic triple beep confirms memory clearing.

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Zoppas — 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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