{
  "id": "bosch-limescale",
  "version": "2.0.0",
  "title": "Check white limescale on dishes and tub",
  "deviceFamily": "dishwasher",
  "modelApplicability": {
    "modelIds": [
      "bosch-shpm65z55n-01"
    ],
    "region": "US",
    "panel": "Top controls with Start / Reset 3 sec, Delay and AutoAir. Match the full E-Nr, including /01.",
    "manualVersion": "9001411746_D · (0007) 640A MV"
  },
  "exclusions": [
    "SHPM65Z55N/20",
    "SHPM65Z55N/24",
    "SHPM65W55N",
    "Other SHPM / SHXM variants"
  ],
  "intent": "troubleshooting",
  "summary": "Distinguish persistent mineral deposits from loading or detergent problems.",
  "prerequisites": [
    {
      "text": "Finish the wash and allow the machine to cool.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    },
    {
      "text": "Before a cleaner cycle, remove all cookware and utensils; cleaner with aluminum inside can create explosive hydrogen gas.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    },
    {
      "text": "Use only dishwasher-compatible cleaner according to its label; never mix chemicals.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    }
  ],
  "tools": [
    "Soft cloth"
  ],
  "materials": [
    "Dishwasher-compatible cleaner if deposits are present"
  ],
  "steps": [
    {
      "id": "step-1",
      "text": "Record whether the white deposit is on the tub and rack wheels as well as dishes. Removable streaks on glasses alone also warrant the rinse-aid review; appearance alone does not establish water hardness.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    },
    {
      "id": "step-2",
      "text": "Check liquid rinse aid and the automatic dishwasher detergent used. Use water-supplier information when available instead of guessing hardness; do not add salt to the tub or invent a softener adjustment for this /01 task.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    },
    {
      "id": "step-3",
      "text": "If cleaning the dishwasher interior, remove every dish, utensil and foreign item first, especially aluminum. The manual warns that acidic or alkaline cleaners in contact with aluminum can release explosive hydrogen.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    },
    {
      "id": "step-4",
      "text": "Use one dishwasher-compatible cleaner according to its label, with the dishwasher empty. Never mix products, use harsh chemicals or abrade the stainless surface.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    },
    {
      "id": "step-5",
      "text": "After the cleaner cycle has finished and the interior is cool, compare the same tub or rack-wheel area. Persistent deposits or recurring poor washing warrant advice about the water supply and suitable detergent.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    }
  ],
  "checks": [
    {
      "id": "scale-pattern",
      "goal": "Are the marks limited to removable spots or streaks on dishes?",
      "question": "Are the marks limited to removable spots or streaks on dishes?",
      "instruction": "Record distribution before choosing a cleaning action.",
      "stepIds": [
        "step-1"
      ],
      "sourceId": "bosch-manual",
      "locator": "pp. 45, 47",
      "choices": [
        {
          "observation": "normal",
          "label": "Yes, no coating is visible inside the tub",
          "next": "identified"
        },
        {
          "observation": "abnormal",
          "label": "A white coating is also visible on the tub or rack wheels",
          "next": "scale-products"
        },
        {
          "observation": "unobserved",
          "label": "I have not checked this, or cannot observe it safely",
          "next": "ready"
        }
      ]
    },
    {
      "id": "scale-products",
      "goal": "Are separate rinse aid and an appropriate dishwasher detergent in use?",
      "question": "Are separate rinse aid and an appropriate dishwasher detergent in use?",
      "instruction": "Review the products and water-supplier information before changing dose.",
      "stepIds": [
        "step-2"
      ],
      "sourceId": "bosch-manual",
      "locator": "pp. 13, 27, 47",
      "choices": [
        {
          "observation": "normal",
          "label": "Both are appropriate for the load",
          "next": "scale-empty"
        },
        {
          "observation": "abnormal",
          "label": "A product or rinse-aid correction is needed",
          "next": "identified"
        },
        {
          "observation": "unobserved",
          "label": "I have not checked this, or cannot observe it safely",
          "next": "ready"
        }
      ]
    },
    {
      "id": "scale-empty",
      "goal": "Is every dish, utensil and foreign object removed?",
      "question": "Is every dish, utensil and foreign object removed?",
      "instruction": "Check all racks and the bottom before introducing a dishwasher cleaner.",
      "stepIds": [
        "step-3"
      ],
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 38",
      "choices": [
        {
          "observation": "normal",
          "label": "The dishwasher is completely empty",
          "next": "scale-cleaner"
        },
        {
          "observation": "abnormal",
          "label": "Something remains inside",
          "next": "ready"
        },
        {
          "observation": "unobserved",
          "label": "I have not checked this, or cannot observe it safely",
          "next": "ready"
        }
      ]
    },
    {
      "id": "scale-cleaner",
      "goal": "Does the cleaner label explicitly permit dishwasher use?",
      "question": "Does the cleaner label explicitly permit dishwasher use?",
      "instruction": "Use only one compatible product and its stated dose and cycle.",
      "stepIds": [
        "step-4"
      ],
      "sourceId": "bosch-manual",
      "locator": "pp. 7, 38, 47",
      "choices": [
        {
          "observation": "normal",
          "label": "The product is compatible and its directions were followed",
          "next": "scale-after"
        },
        {
          "observation": "abnormal",
          "label": "Compatibility or directions are not established",
          "next": "ready"
        },
        {
          "observation": "unobserved",
          "label": "I have not checked this, or cannot observe it safely",
          "next": "ready"
        }
      ]
    },
    {
      "id": "scale-after",
      "goal": "What changed on the same cooled surface after cleaning?",
      "question": "What changed on the same cooled surface after cleaning?",
      "instruction": "A cleaner result does not certify the household water hardness.",
      "stepIds": [
        "step-5"
      ],
      "sourceId": "bosch-manual",
      "locator": "p. 47",
      "choices": [
        {
          "observation": "normal",
          "label": "The visible deposit reduced or cleared",
          "next": "done"
        },
        {
          "observation": "abnormal",
          "label": "The coating persists or quickly returns",
          "next": "service"
        },
        {
          "observation": "unobserved",
          "label": "I have not checked this, or cannot observe it safely",
          "next": "ready"
        }
      ]
    }
  ],
  "branches": {
    "entry": "scale-pattern",
    "outcomes": {
      "done": {
        "type": "issue-located",
        "title": "Observed result recorded",
        "text": "You recorded a reduction in the observed deposits after the compatible cleaner cycle. This is your observation, not independent confirmation of the appliance condition.",
        "sourceId": "bosch-manual",
        "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
      },
      "identified": {
        "type": "issue-located",
        "title": "Observation and next step recorded",
        "text": "Use the rinse-aid or detergent task for the observed product or streaking clue before assuming the tub needs descaling.",
        "sourceId": "bosch-manual",
        "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
      },
      "service": {
        "type": "service-needed",
        "title": "Pause and request qualified help",
        "text": "The observed condition needs qualified help. Keep the appliance out of use when a safety concern remains. Share the exact model, displayed message and your before/after observations; do not open panels, bypass a lock or access the pump.",
        "sourceId": "bosch-manual",
        "locator": "pp. 6–8, 43–48"
      },
      "ready": {
        "type": "prepared",
        "title": "Observation still needed",
        "text": "This check is not complete. A condition you have not observed is still unknown. Save the record and return when the preparation and observation can be completed safely; ask support if safe access is uncertain.",
        "sourceId": "bosch-manual",
        "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
      }
    }
  },
  "outcomeChecks": [
    {
      "text": "You recorded a reduction in the observed deposits after the compatible cleaner cycle.",
      "sourceId": "bosch-manual",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
    }
  ],
  "stopConditions": [
    "Stop using the dishwasher for smoke, a burning smell, damaged wiring, an active leak or water near electrical equipment. Isolate power and water only from a safe, dry, accessible location; otherwise keep clear and request qualified help.",
    "Do not remove the pump cover, reach into the pump, open electrical panels, bypass the door interlock or move the installed dishwasher. Refer plumbing connections, installation and repairs to qualified service.",
    "Stop if a part is cracked, jammed, sharp, insecure or different from the matching manual. Do not force a fitting or touch hot water. Never mix cleaning products."
  ],
  "sources": [
    {
      "id": "bosch-manual",
      "title": "Bosch SHPM65Z*** Operating instructions",
      "url": "https://media3.bsh-group.com/Documents/9001411746_D.pdf",
      "version": "9001411746_D · (0007) 640A MV",
      "checkedAt": "2026-10-13",
      "purpose": "User maintenance, controls, observable troubleshooting and safety",
      "reuse": "Copyright BSH. Linked reference; original summaries only. No manual illustrations reproduced.",
      "locator": "pp. 6–7, 13–14, 27, 38, 45, 47",
      "topicPage": 47,
      "pdfPage": 47,
      "pageNumbering": "Printed English page equals the one-based PDF page in 9001411746_D."
    },
    {
      "id": "bosch-support",
      "title": "Bosch SHPM65Z55N/01 appliance information",
      "url": "https://www.bosch-home.com/us/en/productservice/SHPM65Z55N-01",
      "version": "Live E-Nr /01 support page",
      "checkedAt": "2026-10-13",
      "purpose": "Exact E-Nr identity and direct association with 9001411746_D",
      "reuse": "Link only",
      "locator": "Exact SHPM65Z55N/01 identity; associated operating instructions 9001411746_D"
    }
  ],
  "assets": [
    {
      "id": "bosch-deposit",
      "url": "/diagrams/bosch-deposit.svg",
      "kind": "original schematic",
      "alt": "Conceptual observation map distinguishing food at accessible filters and door seal from a white coating on the tub; an empty interior is required before a cleaner cycle.",
      "license": "Original Homekeep schematic; conceptual identification and observation only, not an exact part drawing or official Bosch artwork"
    }
  ],
  "relatedIds": [
    "bosch-rinse-aid",
    "bosch-detergent-dose",
    "bosch-poor-cleaning"
  ],
  "family": "care",
  "recordFields": [
    {
      "key": "scaleBefore",
      "label": "Deposit pattern and products",
      "phase": "before",
      "type": "text",
      "placeholder": "Tub/rack/dishes; detergent and rinse aid; known water information"
    },
    {
      "key": "scaleAfter",
      "label": "Same surface after the cleaner cycle",
      "phase": "after",
      "type": "text",
      "placeholder": "Cleaner used; empty load confirmed; deposit change"
    }
  ],
  "maintenance": {
    "intervalDays": null,
    "basis": "user-selected",
    "label": "Choose a reminder to review this observation when the symptom recurs or care is needed; no fixed day interval is assigned.",
    "sourceId": "bosch-manual",
    "locator": "pp. 6–7, 13–14, 27, 38, 45, 47"
  },
  "diagramId": "bosch-deposit"
}