diff --git a/vision_runner.ts b/vision_runner.ts
index fd06178..74e87fc 100644
--- a/vision_runner.ts
+++ b/vision_runner.ts
@@ -335,6 +335,22 @@ async function fetchModelId(api: string): Promise<string> {
   }
 }
 
+/** Wartet nach einem Server-Neustart (503/Verbindungsfehler), bis /health
+ *  wieder OK meldet — Modell-Reload dauert 1-2 Minuten. */
+async function waitForHealthy(api: string, timeoutMs: number): Promise<void> {
+  const healthUrl = api.replace(/\/v1\/?$/, "") + "/health";
+  const deadline = Date.now() + timeoutMs;
+  while (Date.now() < deadline) {
+    try {
+      const r = await fetch(healthUrl, { signal: AbortSignal.timeout(5000) });
+      if (r.ok) return;
+    } catch {
+      /* Server noch weg */
+    }
+    await new Promise((res) => setTimeout(res, 5000));
+  }
+}
+
 async function callVision(api: string, images: string[], timeoutMs: number): Promise<VisionRaw> {
   const content: Array<Record<string, unknown>> = [{ type: "text", text: USER_PROMPT }];
   for (const img of images) {
@@ -512,7 +528,15 @@ async function main(): Promise<void> {
           break;
         } catch (e) {
           lastErr = e instanceof Error ? e.message : String(e);
-          if (attempt < RETRIES) await new Promise((res) => setTimeout(res, 5000 * attempt));
+          if (attempt < RETRIES) {
+            if (/HTTP 50[23]|fetch failed|aborted|ECONNREFUSED|ECONNRESET/i.test(lastErr)) {
+              // Server crasht/lädt neu → auf /health warten (Modell-Reload dauert)
+              progress(`${tag} … Server neu am Laden, warte auf /health`);
+              await waitForHealthy(args.api, 300_000);
+            } else {
+              await new Promise((res) => setTimeout(res, 5000 * attempt));
+            }
+          }
         }
       }