diff --git a/hardware_system.py b/hardware_system.py
index 67746e73fa9268af62f2b94e1b0eed3ee61f728f..b2125567d7e76031039a605a0f693bb5a80ead49 100644
--- a/hardware_system.py
+++ b/hardware_system.py
@@ -292,7 +292,7 @@ class OhmPiHardware:
                     if mux not in mux_workers:
                         mux_workers.append(mux)
                 except KeyError:
-                    self.exec_logger.warning(f'Unable to switch {state} ({elec}, {roles[idx]}): not in cabling and will be ignored...')
+                    self.exec_logger.debug(f'Unable to switch {state} ({elec}, {roles[idx]}): not in cabling and will be ignored...')
             mux_workers = list(set(mux_workers))
             b = Barrier(len(mux_workers)+1)
             self.mux_barrier = b