diff --git a/modules/s2e/browser.py b/modules/s2e/browser.py
index c483ad1c2bb07db638240ee5d7fa0217ac628b23..005518d85001a7acf330d7270779f473b7321f18 100644
--- a/modules/s2e/browser.py
+++ b/modules/s2e/browser.py
@@ -418,11 +418,24 @@ def get_profile(self):
 
     @need_login
     def iter_documents(self):
-        self.e_service_page.go(slug=self.SLUG)
+        try:
+            self.e_service_page.go(slug=self.SLUG)
+        except ReadTimeoutError:
+            raise BrowserUnavailable()
+
         # we might land on the documents page, but sometimes we land on user info "tab"
         self.page.select_documents_tab()
         self.page.show_more()
 
+        # Sometimes, this page can return an error
+        # Seen messages:
+        # - Impossible de récupérer les relevés électroniques
+        # - Le document souhaité n'a pu être généré (délai d'attente dépassé).
+        #   Merci de renouveler votre demande ultérieurement.
+        error = self.page.get_error_message()
+        if error:
+            raise BrowserUnavailable(error)
+
         # Sometimes two documents have the same ID (same date and same type)
         existing_id = set()
         for document in self.page.iter_documents():
diff --git a/modules/s2e/pages.py b/modules/s2e/pages.py
index 6902953355e9ffa7b018f9a42849d9ee8a1dafb9..fb41fc630b326adb1b33f32ac72e9e407356d6e4 100644
--- a/modules/s2e/pages.py
+++ b/modules/s2e/pages.py
@@ -1251,6 +1251,9 @@ def show_more(self):
         self.logger.debug('showing all documents')
         form.submit()
 
+    def get_error_message(self):
+        return CleanText('//span[@class="operation-bloc-content-message-erreur-text"]')(self.doc)
+
     @method
     class iter_documents(TableElement):
         # Note: on this (partial) page, 'head' and 'items' are actually two different HTML tables.