Do not auto-disable the IEB if connection fails

CHANGELOG.md

@@ -6,6 +6,10 @@
 
 * Add `FVCITER` keyword to the FVC process image header with the number of the FVC iteration.
 
+### 🏷️ Changed
+
+* `IEB` never disables itself automatically. Now it will try five times to connect to the WAGO module and if that fails it will issue an error but not self disable itself.
+
 ### 🔧 Fixed
 
 * [#189](https://github.com/sdss/jaeger/issues/189) Prevent FPS initialisation from failing if a positioner is reporting a collided status.

python/jaeger/ieb.py

@@ -100,15 +100,15 @@ async def __aenter__(self):
         if self.disabled:
             raise DriftError("IEB is disabled.")
 
-        try:
-            await Drift.__aenter__(self)
-        except DriftError:
-            self._n_failures += 1
-            if self._n_failures >= self.MAX_RETRIES:
-                self.disabled = True
-                raise DriftError("Failed connecting to the IEB. Disabling it.")
-            else:
-                raise DriftError("Failed connecting to the IEB.")
+        n_retries = 0
+        while True:
+            try:
+                await Drift.__aenter__(self)
+                break
+            except DriftError:
+                n_retries += 1
+                if n_retries >= 5:
+                    raise DriftError("Failed connecting to the IEB.")
 
     async def __aexit__(self, *args):