From 6682bb0dfda3b6c6af21050348281a0652e95f50 Mon Sep 17 00:00:00 2001
From: appel_c <christian.appel@psi.ch>
Date: Tue, 27 Jan 2026 09:40:59 +0100
Subject: [PATCH] fix(mcs): wrap _progress_update callback in try except.

---
 csaxs_bec/devices/epics/mcs_card/mcs_card_csaxs.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/csaxs_bec/devices/epics/mcs_card/mcs_card_csaxs.py b/csaxs_bec/devices/epics/mcs_card/mcs_card_csaxs.py
index fdda685..fbdab35 100644
--- a/csaxs_bec/devices/epics/mcs_card/mcs_card_csaxs.py
+++ b/csaxs_bec/devices/epics/mcs_card/mcs_card_csaxs.py
@@ -310,10 +310,14 @@ class MCSCardCSAXS(PSIDeviceBase, MCSCard):
             old_value: Previous value of the signal.
             value: New value of the signal.
         """
-        scan_done = bool(value == self._num_total_triggers)
-        self.progress.put(value=value, max_value=self._num_total_triggers, done=scan_done)
-        if scan_done:
-            self._scan_done_event.set()
+        try:
+            scan_done = bool(value == self._num_total_triggers)
+            self.progress.put(value=value, max_value=self._num_total_triggers, done=scan_done)
+            if scan_done:
+                self._scan_done_event.set()
+        except Exception:
+            content = traceback.format_exc()
+            logger.info(f"Device {self.name}  error: {content}")
 
     def on_stage(self) -> None:
         """