diff --git a/internal/collector/redfish.go b/internal/collector/redfish.go
index 882e1ca..ebbb25d 100644
--- a/internal/collector/redfish.go
+++ b/internal/collector/redfish.go
@@ -110,6 +110,12 @@ func (c *RedfishConnector) Collect(ctx context.Context, req Request, emit Progre
 	if recoveredN := c.recoverCriticalRedfishDocsPlanB(ctx, criticalClient, req, baseURL, criticalPaths, rawTree, fetchErrMap, emit); recoveredN > 0 {
 		c.debugSnapshotf("critical plan-b recovered docs=%d", recoveredN)
 	}
+	// Hide transient fetch errors for endpoints that were eventually recovered into rawTree.
+	for p := range fetchErrMap {
+		if _, ok := rawTree[p]; ok {
+			delete(fetchErrMap, p)
+		}
+	}
 	if emit != nil {
 		emit(Progress{Status: "running", Progress: 99, Message: "Redfish: анализ raw snapshot..."})
 	}
diff --git a/internal/server/handlers.go b/internal/server/handlers.go
index 8f2cb00..18bdc59 100644
--- a/internal/server/handlers.go
+++ b/internal/server/handlers.go
@@ -590,6 +590,203 @@ func (s *Server) handleGetFirmware(w http.ResponseWriter, r *http.Request) {
 	jsonResponse(w, buildFirmwareEntries(result.Hardware))
 }
 
+type parseErrorEntry struct {
+	Source   string `json:"source"`             // redfish | parser | file | collect_log
+	Category string `json:"category"`           // fetch | partial_inventory | collect_log
+	Severity string `json:"severity,omitempty"` // error | warning | info
+	Path     string `json:"path,omitempty"`
+	Message  string `json:"message"`
+	Detail   string `json:"detail,omitempty"`
+}
+
+func (s *Server) handleGetParseErrors(w http.ResponseWriter, r *http.Request) {
+	result := s.GetResult()
+	rawPkg := s.GetRawExport()
+
+	items := make([]parseErrorEntry, 0)
+	seen := make(map[string]struct{})
+	add := func(e parseErrorEntry) {
+		key := strings.TrimSpace(e.Source) + "|" + strings.TrimSpace(e.Category) + "|" + strings.TrimSpace(e.Path) + "|" + strings.TrimSpace(e.Message)
+		if _, ok := seen[key]; ok {
+			return
+		}
+		seen[key] = struct{}{}
+		items = append(items, e)
+	}
+
+	var fetchErrMap map[string]string
+	if result != nil && result.RawPayloads != nil {
+		fetchErrMap = extractRedfishFetchErrors(result.RawPayloads["redfish_fetch_errors"])
+		for path, msg := range fetchErrMap {
+			add(parseErrorEntry{
+				Source:   "redfish",
+				Category: "fetch",
+				Severity: parseErrorSeverityFromMessage(msg),
+				Path:     path,
+				Message:  msg,
+			})
+		}
+	}
+
+	if rawPkg != nil && len(rawPkg.Source.CollectLogs) > 0 {
+		for _, line := range rawPkg.Source.CollectLogs {
+			if !looksLikeErrorLogLine(line) {
+				continue
+			}
+			add(parseErrorEntry{
+				Source:   "collect_log",
+				Category: "collect_log",
+				Severity: parseErrorSeverityFromMessage(line),
+				Message:  strings.TrimSpace(line),
+			})
+		}
+	}
+
+	if result != nil && result.Protocol == "redfish" && result.Hardware != nil {
+		hw := result.Hardware
+		if len(hw.Memory) == 0 && hasFetchErrorSuffix(fetchErrMap, "/Memory") {
+			add(parseErrorEntry{
+				Source:   "parser",
+				Category: "partial_inventory",
+				Severity: "warning",
+				Path:     "/redfish/v1/Systems/*/Memory",
+				Message:  "Memory inventory is empty because Redfish Memory endpoint failed during collection",
+			})
+		}
+		if len(hw.CPUs) == 0 && hasFetchErrorSuffix(fetchErrMap, "/Processors") {
+			add(parseErrorEntry{
+				Source:   "parser",
+				Category: "partial_inventory",
+				Severity: "warning",
+				Path:     "/redfish/v1/Systems/*/Processors",
+				Message:  "CPU inventory is empty because Redfish Processors endpoint failed during collection",
+			})
+		}
+		if len(hw.Firmware) == 0 && (hasFetchErrorSuffix(fetchErrMap, "/Managers/1") || hasFetchErrorSuffix(fetchErrMap, "/UpdateService")) {
+			add(parseErrorEntry{
+				Source:   "parser",
+				Category: "partial_inventory",
+				Severity: "warning",
+				Message:  "Firmware inventory may be incomplete due to Redfish Manager/UpdateService endpoint failures",
+			})
+		}
+	}
+
+	sort.Slice(items, func(i, j int) bool {
+		if items[i].Severity != items[j].Severity {
+			// error > warning > info
+			return parseErrorSeverityRank(items[i].Severity) < parseErrorSeverityRank(items[j].Severity)
+		}
+		if items[i].Source != items[j].Source {
+			return items[i].Source < items[j].Source
+		}
+		if items[i].Category != items[j].Category {
+			return items[i].Category < items[j].Category
+		}
+		return items[i].Path < items[j].Path
+	})
+
+	jsonResponse(w, map[string]any{
+		"items": items,
+		"summary": map[string]any{
+			"total": len(items),
+			"source_kind": func() string {
+				if rawPkg != nil {
+					return rawPkg.Source.Kind
+				}
+				return ""
+			}(),
+		},
+	})
+}
+
+func extractRedfishFetchErrors(raw any) map[string]string {
+	out := make(map[string]string)
+	list, ok := raw.([]map[string]interface{})
+	if ok {
+		for _, item := range list {
+			p := strings.TrimSpace(fmt.Sprintf("%v", item["path"]))
+			if p == "" {
+				continue
+			}
+			out[p] = strings.TrimSpace(fmt.Sprintf("%v", item["error"]))
+		}
+		return out
+	}
+	if generic, ok := raw.([]interface{}); ok {
+		for _, itemAny := range generic {
+			item, ok := itemAny.(map[string]interface{})
+			if !ok {
+				continue
+			}
+			p := strings.TrimSpace(fmt.Sprintf("%v", item["path"]))
+			if p == "" {
+				continue
+			}
+			out[p] = strings.TrimSpace(fmt.Sprintf("%v", item["error"]))
+		}
+	}
+	return out
+}
+
+func looksLikeErrorLogLine(line string) bool {
+	s := strings.ToLower(strings.TrimSpace(line))
+	if s == "" {
+		return false
+	}
+	return strings.Contains(s, "ошибка") ||
+		strings.Contains(s, "error") ||
+		strings.Contains(s, "failed") ||
+		strings.Contains(s, "timeout") ||
+		strings.Contains(s, "deadline exceeded")
+}
+
+func hasFetchErrorSuffix(fetchErrs map[string]string, suffix string) bool {
+	if len(fetchErrs) == 0 {
+		return false
+	}
+	for p := range fetchErrs {
+		if strings.HasSuffix(p, suffix) {
+			return true
+		}
+	}
+	return false
+}
+
+func parseErrorSeverityFromMessage(msg string) string {
+	s := strings.ToLower(strings.TrimSpace(msg))
+	if s == "" {
+		return "info"
+	}
+	if strings.Contains(s, "timeout") || strings.Contains(s, "deadline exceeded") {
+		return "error"
+	}
+	if strings.HasPrefix(s, "status 500 ") || strings.HasPrefix(s, "status 502 ") || strings.HasPrefix(s, "status 503 ") || strings.HasPrefix(s, "status 504 ") {
+		return "error"
+	}
+	if strings.HasPrefix(s, "status 401 ") || strings.HasPrefix(s, "status 403 ") {
+		return "error"
+	}
+	if strings.HasPrefix(s, "status 404 ") || strings.HasPrefix(s, "status 405 ") || strings.HasPrefix(s, "status 410 ") || strings.HasPrefix(s, "status 501 ") {
+		return "info"
+	}
+	if strings.Contains(s, "ошибка") || strings.Contains(s, "error") || strings.Contains(s, "failed") {
+		return "warning"
+	}
+	return "info"
+}
+
+func parseErrorSeverityRank(severity string) int {
+	switch strings.ToLower(strings.TrimSpace(severity)) {
+	case "error":
+		return 0
+	case "warning":
+		return 1
+	default:
+		return 2
+	}
+}
+
 type firmwareEntry struct {
 	Component string `json:"component"`
 	Model     string `json:"model"`
diff --git a/internal/server/server.go b/internal/server/server.go
index 5290525..e7d8ade 100644
--- a/internal/server/server.go
+++ b/internal/server/server.go
@@ -68,6 +68,7 @@ func (s *Server) setupRoutes() {
 	s.mux.HandleFunc("GET /api/config", s.handleGetConfig)
 	s.mux.HandleFunc("GET /api/serials", s.handleGetSerials)
 	s.mux.HandleFunc("GET /api/firmware", s.handleGetFirmware)
+	s.mux.HandleFunc("GET /api/parse-errors", s.handleGetParseErrors)
 	s.mux.HandleFunc("GET /api/export/csv", s.handleExportCSV)
 	s.mux.HandleFunc("GET /api/export/json", s.handleExportJSON)
 	s.mux.HandleFunc("GET /api/export/reanimator", s.handleExportReanimator)
diff --git a/web/static/css/style.css b/web/static/css/style.css
index 37362f5..7860f5e 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -473,6 +473,12 @@ table {
     border-collapse: collapse;
 }
 
+.table-scroll {
+    width: 100%;
+    overflow-x: auto;
+    -webkit-overflow-scrolling: touch;
+}
+
 th, td {
     padding: 0.75rem;
     text-align: left;
@@ -488,6 +494,54 @@ tr:hover {
     background: #f8f9fa;
 }
 
+#parse-errors-table {
+    min-width: 980px;
+    table-layout: fixed;
+}
+
+#parse-errors-table th:nth-child(1),
+#parse-errors-table td:nth-child(1) {
+    width: 92px;
+}
+
+#parse-errors-table th:nth-child(2),
+#parse-errors-table td:nth-child(2) {
+    width: 110px;
+}
+
+#parse-errors-table th:nth-child(3),
+#parse-errors-table td:nth-child(3) {
+    width: 95px;
+}
+
+#parse-errors-table th:nth-child(4),
+#parse-errors-table td:nth-child(4) {
+    width: 300px;
+}
+
+#parse-errors-table th:nth-child(5),
+#parse-errors-table td:nth-child(5) {
+    width: auto;
+}
+
+#parse-errors-table td,
+#parse-errors-table th {
+    vertical-align: top;
+}
+
+#parse-errors-table td code {
+    white-space: normal;
+    word-break: break-word;
+    overflow-wrap: anywhere;
+    display: inline-block;
+}
+
+#parse-errors-table td:last-child {
+    white-space: normal;
+    word-break: break-word;
+    overflow-wrap: anywhere;
+}
+
 code {
     font-family: 'Monaco', 'Menlo', monospace;
     font-size: 0.85em;
diff --git a/web/static/js/app.js b/web/static/js/app.js
index 12fa434..e027409 100644
--- a/web/static/js/app.js
+++ b/web/static/js/app.js
@@ -590,6 +590,7 @@ function initFilters() {
 let allSensors = [];
 let allEvents = [];
 let allSerials = [];
+let allParseErrors = [];
 
 let currentVendor = '';
 
@@ -622,7 +623,8 @@ async function loadData(vendor, filename) {
         loadFirmware(),
         loadSensors(),
         loadSerials(),
-        loadEvents()
+        loadEvents(),
+        loadParseErrors()
     ]);
 }
 
@@ -647,7 +649,6 @@ function renderConfig(data) {
     const config = data.hardware || data;
     const spec = data.specification;
     const redfishFetchErrors = Array.isArray(data.redfish_fetch_errors) ? data.redfish_fetch_errors : [];
-    const visibleRedfishFetchErrors = filterVisibleRedfishFetchErrors(redfishFetchErrors);
     const devices = Array.isArray(config.devices) ? config.devices : [];
     const volumes = Array.isArray(config.volumes) ? config.volumes : [];
 
@@ -701,21 +702,6 @@ function renderConfig(data) {
             <p class="no-data" style="margin-top: 0;">${escapeHtml(partialInventory)}</p>
         </div>`;
     }
-    if (visibleRedfishFetchErrors.length > 0) {
-        html += `<div class="spec-section">
-            <h3>Redfish fetch errors (${visibleRedfishFetchErrors.length})</h3>
-            <p class="no-data" style="margin-top: 0;">Сохранено в raw snapshot для последующего анализа в GUI.</p>
-            <table class="config-table"><thead><tr><th>Endpoint</th><th>Ошибка</th></tr></thead><tbody>`;
-        visibleRedfishFetchErrors.forEach(item => {
-            const path = item && typeof item === 'object' ? (item.path || '-') : '-';
-            const err = item && typeof item === 'object' ? (item.error || '-') : String(item || '-');
-            html += `<tr>
-                <td><code>${escapeHtml(String(path))}</code></td>
-                <td>${escapeHtml(String(err))}</td>
-            </tr>`;
-        });
-        html += '</tbody></table></div>';
-    }
     if (spec && spec.length > 0) {
         html += '<div class="spec-section"><h3>Спецификация сервера</h3><ul class="spec-list">';
         spec.forEach(item => {
@@ -800,7 +786,7 @@ function renderConfig(data) {
                 <div class="stat-box"><span class="stat-value">${workingCount}</span><span class="stat-label">Активно</span></div>
             </div>
             <table class="config-table memory-table"><thead><tr>
-                <th>Location</th><th>Наличие</th><th>Размер</th><th>Тип</th><th>Max частота</th><th>Текущая частота</th><th>Производитель</th><th>Артикул</th><th>Статус</th>
+                <th>Location</th><th>Наличие</th><th>Размер</th><th>Тип</th><th>Max частота</th><th>Текущая частота</th><th>Производитель</th><th>Артикул</th><th>Серийный номер</th><th>Статус</th>
             </tr></thead><tbody>`;
         memory.forEach(mem => {
             const present = mem.present !== false ? '✓' : '-';
@@ -817,6 +803,7 @@ function renderConfig(data) {
                 <td>${(mem.details && mem.details.current_speed_mhz) || mem.speed_mhz || '-'} MHz</td>
                 <td>${escapeHtml(mem.manufacturer || '-')}</td>
                 <td><code>${escapeHtml(mem.part_number || '-')}</code></td>
+                <td><code>${escapeHtml(mem.serial_number || '-')}</code></td>
                 <td class="${statusClass}">${escapeHtml(mem.status || 'OK')}</td>
             </tr>`;
         });
@@ -1260,6 +1247,47 @@ async function loadEvents() {
     }
 }
 
+async function loadParseErrors() {
+    try {
+        const response = await fetch('/api/parse-errors');
+        const payload = await response.json();
+        allParseErrors = Array.isArray(payload && payload.items) ? payload.items : [];
+        renderParseErrors(allParseErrors);
+    } catch (err) {
+        console.error('Failed to load parse errors:', err);
+        allParseErrors = [];
+        renderParseErrors([]);
+    }
+}
+
+function renderParseErrors(items) {
+    const tbody = document.querySelector('#parse-errors-table tbody');
+    if (!tbody) return;
+    tbody.innerHTML = '';
+
+    if (!items || items.length === 0) {
+        tbody.innerHTML = '<tr><td colspan="5" class="no-data">Ошибок разбора не обнаружено</td></tr>';
+        return;
+    }
+
+    items.forEach(item => {
+        const row = document.createElement('tr');
+        const severity = (item.severity || 'info').toLowerCase();
+        const source = item.source || '-';
+        const category = item.category || '-';
+        const path = item.path || '-';
+        const message = item.message || item.detail || '-';
+        row.innerHTML = `
+            <td>${escapeHtml(source)}</td>
+            <td>${escapeHtml(category)}</td>
+            <td><span class="severity ${escapeHtml(severity)}">${escapeHtml(severity)}</span></td>
+            <td><code>${escapeHtml(path)}</code></td>
+            <td>${escapeHtml(message)}</td>
+        `;
+        tbody.appendChild(row);
+    });
+}
+
 function renderEvents(events) {
     const tbody = document.querySelector('#events-table tbody');
     tbody.innerHTML = '';
@@ -1306,6 +1334,7 @@ async function clearData() {
         allSensors = [];
         allEvents = [];
         allSerials = [];
+        allParseErrors = [];
     } catch (err) {
         console.error('Failed to clear data:', err);
     }
@@ -1347,19 +1376,6 @@ function escapeHtml(text) {
     return div.innerHTML;
 }
 
-function filterVisibleRedfishFetchErrors(items) {
-    if (!Array.isArray(items)) return [];
-    return items.filter(item => {
-        const message = String(item && typeof item === 'object' ? (item.error || '') : item || '').toLowerCase();
-        return !(
-            message.startsWith('status 404 ') ||
-            message.startsWith('status 405 ') ||
-            message.startsWith('status 410 ') ||
-            message.startsWith('status 501 ')
-        );
-    });
-}
-
 function detectPartialRedfishInventory({ cpus, memory, redfishFetchErrors }) {
     const errors = Array.isArray(redfishFetchErrors) ? redfishFetchErrors : [];
     const paths = errors.map(item => String(item && typeof item === 'object' ? (item.path || '') : '')).filter(Boolean);
diff --git a/web/templates/index.html b/web/templates/index.html
index 2c76cc4..4785ef6 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -106,6 +106,7 @@
                 <button class="tab" data-tab="sensors">Сенсоры</button>
                 <button class="tab" data-tab="serials">Серийные номера</button>
                 <button class="tab" data-tab="events">События</button>
+                <button class="tab" data-tab="parse-errors">Ошибки разбора</button>
             </nav>
 
             <div class="tab-content active" id="config">
@@ -196,6 +197,26 @@
                     <tbody></tbody>
                 </table>
             </div>
+
+            <div class="tab-content" id="parse-errors">
+                <div class="toolbar">
+                    <span class="toolbar-label">Ошибки сборки / разбора (Redfish, parser, файл)</span>
+                </div>
+                <div class="table-scroll">
+                    <table id="parse-errors-table">
+                        <thead>
+                            <tr>
+                                <th>Источник</th>
+                                <th>Категория</th>
+                                <th>Важность</th>
+                                <th>Endpoint / Path</th>
+                                <th>Сообщение</th>
+                            </tr>
+                        </thead>
+                        <tbody></tbody>
+                    </table>
+                </div>
+            </div>
         </section>
     </main>