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Candy · Dishwasher · Troubleshooting guide

Candy dishwasher error code 18

First confirm whether the display really says E18, whether it is a model without a display showing an 18-flash pattern, and which Candy model and market you have.

DishwasherError Code 18
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Quick answer

First confirm whether the display really says E18, whether it is a model without a display showing an 18-flash pattern, and which Candy model and market you have. Candy's opened UK manual for the CF 5C7F0W-80 says E18 means water-level problems and directs the user to check and clean the clogged filter plate; it does not establish a universal Candy-wide meaning for every dishwasher. Before cleaning, switch the dishwasher off, unplug it from a safe dry position, and turn off the water supply. Clean only the permitted filter plate or filter assembly, reinstall it correctly, and make at most one supervised normal restart. If E18 returns, water remains, the filter is clear, or there is a leak, uncontrolled water supply, water near electrical parts, a damaged cord, smoke, burning odor, or a protection trip, leave the dishwasher off and contact Candy Technical Assistance or an authorized service provider. Do not open panels, access the pump, bypass leak protection, disconnect a pressurized hose, or order a sensor or pump from E18 alone.

Before you begin

Safety first

  • Candy's opened manual requires the dishwasher to be unplugged and the water supply turned off before cleaning or maintenance, and says a malfunctioning appliance should be switched off and handled by an approved service agent using genuine parts. Do not open panels, access the pump, bypass leak protection, disconnect a pressurized hose, or perform an energized test.
Dishwasher Error 18 (E18)
02

Work through in order

Diagnostic checks

Use only checks that match the exact appliance or system and its official guide.

  1. Check 1

    From a dry, safe position, photograph the complete display or count the repeating LED pattern exactly as the appliance shows it. Record whether the text is E18, 18, E3, E4, E21, another code, or only a different flash count, and read the full Candy model and serial plate inside the door or from the warranty paperwork without moving the machine.

    Expected result: The display clearly shows E18 and the model is known, the machine has no display and shows a repeating flash pattern, or the code/model/market is incomplete or uncertain.

    Next step: If the model or display format is uncertain, obtain the exact Candy manual or contact Technical Assistance with a photo and model/serial information. Do not use a generic Candy code list or assume that 18 flashes and E18 always share the same remedy.

    Stop if: Do not move a full or built-in dishwasher to expose a label, reach behind wet plumbing, or keep restarting it while water is present.

    Why this matters

    Why: Candy's opened manual uses E-prefixed codes for display models and a flash count for models without a display. Its E18 definition is tied to the documented CF 5C7F0W-80 manual, so a different code or unknown model cannot safely inherit the same water-level interpretation.

  2. Check 2

    Before any filter or sump-area cleaning, press the normal off control, unplug the dishwasher from a safe dry position, and turn off the water tap. Let hot water and the tub cool, protect the floor from residual water, and look only for an immediate leak or electrical warning.

    Expected result: The appliance is safely isolated with no visible hazard, or water is leaking toward electrical parts, the cord/plug is hot or damaged, smoke or burning odor is present, or the supply protection has tripped.

    Next step: For a leak or electrical hazard, keep the tap and appliance off, isolate power only if safe, and contact qualified appliance or electrical service. If the machine is safely isolated, continue only with the exact manual's permitted filter check.

    Stop if: Do not work with power connected, touch a wet plug or waterblock electrical box, reset protection repeatedly, or continue if smoke, arcing, burning, or water reaches electrical parts.

    Why this matters

    Why: Candy's manual makes power and water isolation a prerequisite for cleaning and says a malfunctioning appliance should be switched off and have its water supply turned off. A leak or electrical warning takes priority over interpreting or clearing E18.

  3. Check 3

    For a model whose exact manual defines E18 as a water-level problem with a filter-plate check, remove only the lower basket and the user-removable filter parts shown in that manual. Rinse and clean the filter plate, inspect the visible sump area for a loose obstruction without reaching into the pump, then seat the filter assembly fully and correctly.

    Expected result: The filter plate is visibly clogged or incorrectly seated, a loose visible residue is present, the filter is clear, or the suspected obstruction is sharp, deep, or inaccessible.

    Next step: If the filter was clogged or mis-seated, reinstall it and make at most one supervised normal restart after restoring water and power safely. If it was clear, damaged, or cannot be cleaned without deeper access, leave the dishwasher off and arrange service.

    Stop if: Do not remove a pump cover unless the exact manual explicitly permits it, reach into an inaccessible sump, handle broken glass bare-handed, run without filters, or use drain chemicals.

    Why this matters

    Why: On the matched Candy manual, E18 directly calls for checking a clogged filter plate. A clear filter or inaccessible obstruction does not prove a pump, water-level sensor, valve, hose, or control fault; it means the user-level filter correction has not explained the code.

  4. Check 4

    After the permitted filter check, inspect only the accessible drain hose route and visible sink or siphon connection for a kink, crushing, blockage, immersion, or recent installation change. Do not disconnect an inaccessible hose or move a built-in appliance; keep the power and water isolated during this inspection.

    Expected result: The hose or visible connection is clearly kinked or blocked, the hose is immersed or incorrectly routed, the accessible route is normal, or inspection would require moving the appliance or disconnecting plumbing.

    Next step: Correct only a clearly accessible hose position or normal sink-side blockage described by the exact manual, then retest once if no safety warning is present. If the route is normal or inaccessible, stop and arrange service instead of dismantling the drain path.

    Stop if: Do not cut a hose, pour drain chemicals into the dishwasher, disconnect pressurized plumbing, move a full built-in machine, or work around wet electrical connections.

    Why this matters

    Why: The Candy manual distinguishes E18's water-level/filter-plate entry from E3's no-drain entry, but a blocked or returning drain path can still leave water in the tub and complicate the level condition. A normal visible path shifts the unresolved cause toward an internal pump, hose, valve, sensor, or control.

  5. Check 5

    Restore water and power only after the permitted filter or accessible hose correction is complete and the area is dry. Make at most one supervised normal programme or drain attempt, and stop immediately if E18 returns, water leaks, the pump hums or grinds without flow, the breaker trips, or another warning appears.

    Expected result: The tub drains and the programme completes normally, E18 returns, water remains or returns, the pump makes abnormal noise, or a leak or electrical warning appears.

    Next step: For any recurrence or abnormal result, switch off, unplug when safe, turn off the water supply, and contact Candy Technical Assistance or an authorized service provider with the model, exact code/flash pattern, filter result, hose observations, and water state.

    Stop if: Do not run repeated programmes with standing water, dismantle the pump, bypass leak protection, perform an energized test, or keep using the appliance with a recurring fault.

    Why this matters

    Why: A stable cycle after a clogged filter or accessible hose correction supports that visible restriction as the immediate cause, but it does not prove the underlying level-sensing or pump system is healthy. Recurrence, standing water, abnormal pump sound, leak, or protection operation exceeds the user checks.

Use your observations

Decision map

Find the observation that best matches what you see, then follow the next safe action.

  1. PATH 01Next step

    What you see

    The exact appliance is Candy CF 5C7F0W-80 in the UK manual scope, the display clearly reads E18, and there is no leak or electrical warning.

    Do this next

    Isolate power and water, clean and correctly reseat only the permitted filter plate or filter assembly, then make at most one supervised normal restart. Arrange service if E18 returns.

    Why this path and its safety boundary

    Why it matters: That exact manual defines E18 as a water-level problem and directs the user to check and clean the filter plate; it does not select a pump, sensor, valve, or board.

  2. PATH 02Next step

    What you see

    The model, market, display format, or complete code does not match the opened CF 5C7F0W-80 manual, or the appliance shows 18 flashes without a model-matched flash table.

    Do this next

    Stop code-specific troubleshooting, obtain the exact Candy manual or contact Technical Assistance, and provide the model/serial label and display or flash-pattern evidence.

    Why this path and its safety boundary

    Why it matters: The opened E18 definition is not established for that appliance. Candy uses different product families and display/flash formats, so a generic error-18 procedure could send the user to the wrong part or unsafe check.

  3. PATH 03Next step

    What you see

    The matched manual's filter plate is clogged or mis-seated, there is no leak or electrical warning, and E18 clears after one isolated clean-and-restart sequence.

    Do this next

    Monitor one normal cycle only. Arrange service if E18 returns, water remains or returns, the filter clogs again unusually quickly, or the appliance makes abnormal pump sounds.

    Why this path and its safety boundary

    Why it matters: A visible filter restriction is a plausible immediate water-level cause, but the single recovery does not prove the sensing or drain system is permanently healthy.

  4. PATH 04Next step

    What you see

    The filter is clear and correctly seated, E18 returns, water remains or returns, the pump hums or grinds without flow, or the visible drain path is normal.

    Do this next

    Leave the dishwasher off, unplug when safe, turn off the water supply, and contact Candy Technical Assistance or authorized appliance service with the complete record. Do not open the pump or cabinet.

    Why this path and its safety boundary

    Why it matters: The user-level filter explanation is insufficient. An internal pump, impeller, hose, valve, water-level sensor, control, or leak-protection fault remains possible, but E18 does not identify the failed component.

  5. PATH 05Next step

    What you see

    There is a visible leak, uncontrolled water fill, water near the cord or electrical box, smoke, burning odor, sparks, a hot/damaged cord, or a breaker/protection device trips again.

    Do this next

    Close the water tap, disconnect power only from a safe dry location, keep people away, and contact qualified appliance or electrical service. Use emergency services for an active fire or continuing smoke.

    Why this path and its safety boundary

    Why it matters: The symptom has crossed the ordinary E18 troubleshooting boundary and may present flooding, electric-shock, fire, or further appliance-damage risk.

Helpful context

Understand the symptom

Candy error 18 is not enough identity to choose a part. On the opened CF 5C7F0W-80 manual, display models show errors with an E prefix, while models without a display use a repeating LED-flash count. In that exact UK manual, E18 is listed as a water-level problem and the first permitted correction is to check and clean the filter plate. The model page identifies CF 5C7F0W-80 as a Candy Rapidò dishwasher sold in the UK scope; another Candy model or market may use a different table.

Treat E18 as a water-and-electrical safety decision as well as a filter check. Candy's manual says to unplug and turn off the water before cleaning or maintenance, and its safety section directs an appliance that breaks down to be switched off, have its water supply turned off, and be left to an approved service agent. A leak, uncontrolled fill, or water near the electrical connection is not a reason to keep restarting the programme.

Only after diagnosis

Potential parts

  • Candy model-matched filter plate or filter assembly

    Only consider replacement if the exact manual and service diagnosis confirm that the filter plate or assembly is damaged rather than merely clogged.

    The CF 5C7F0W-80 manual supports cleaning the filter plate but does not provide a universal Candy filter fit. Confirm the complete model, market, and genuine part documentation.
  • Candy model-matched water-level sensing or drain-pump assembly

    Only consider after authorized service confirms an internal level, pump, valve, hose, or control fault after the filter and accessible drain checks are clear.

    E18 does not identify a specific component or part number. Do not order a pump or sensor from a generic Candy error-code listing.

When checks do not resolve it

Need a professional?

Contact Candy Technical Assistance or authorized appliance service for a recurring or model-unmatched E18, clear filter with continuing water-level symptoms, standing or returning water, abnormal pump sound, or any leak or electrical warning.

Safety scope: Candy's opened manual requires the dishwasher to be unplugged and the water supply turned off before cleaning or maintenance, and says a malfunctioning appliance should be switched off and handled by an approved service agent using genuine parts. Do not open panels, access the pump, bypass leak protection, disconnect a pressurized hose, or perform an energized test.

Have this ready

  • Provide the full Candy model, the 16-digit serial/product code if available, country or market, a photo or exact transcription of E18 or the flash pattern, programme stage, water level and whether it returns, filter condition and seating, accessible hose/siphon observations, pump sound, and any leak or electrical event.

Common questions

FAQ

What does E18 mean on a Candy dishwasher?

In the opened official Candy UK CF 5C7F0W-80 manual, E18 means water-level problems and directs the user to check and clean a clogged filter plate. Confirm the exact model and market before applying that meaning to another Candy dishwasher.

Is Candy error 18 the same as E18?

For display models in the opened manual, errors are shown with an E prefix, so the documented display form is E18. Models without a display use a repeating LED-flash count. Use the exact model's manual rather than assuming that a number or flash pattern has the same meaning across Candy families.

Can I fix Candy E18 by cleaning the filter?

If the exact manual defines E18 as the CF 5C7F0W-80 manual does, isolate power and water, clean and correctly reseat the permitted filter plate, and make at most one supervised restart. If the filter is clear or E18 returns, stop and arrange service rather than opening the pump.

What if Candy E18 appears with a leak?

Treat the leak as the priority. Switch off, close the water tap, and disconnect power only from a safe dry location. Keep the dishwasher out of service and contact qualified appliance or electrical service; do not keep restarting it to clear E18.

Read the exact guide

Official sources

  • CF 5C7F0W-80 EN (70048142.A)Candy Hoover Group · This official manual is linked from the Candy UK CF 5C7F0W-80 product page. Its E18 meaning, display/flash format, filter instruction, water isolation, leak, and service guidance are scoped to that documented product/manual family.
  • CF 5C7F0W-80 | Dishwasher Candy RapidòCandy UK · Candy's official UK product page identifies CF 5C7F0W-80 as a freestanding Candy Rapidò dishwasher and links the official instruction manual used for the E18 table; it is not evidence for every Candy dishwasher model or market.

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