diff --git a/es24n_conf.py b/es24n_conf.py
index b6a791f..fbb4587 100755
--- a/es24n_conf.py
+++ b/es24n_conf.py
@@ -809,6 +809,7 @@ def fetch_current_config(cfg: ShelfConfig) -> bool:
 
     any_ok = False
     rows   = []
+    errors = []
 
     for iom in ("IOM1", "IOM2"):
         path = f"/redfish/v1/Managers/{iom}/EthernetInterfaces/1"
@@ -852,6 +853,7 @@ def fetch_current_config(cfg: ShelfConfig) -> bool:
             rows.append([iom, mode_str, origin, ip, gateway, netmask])
         else:
             rows.append([iom, _c(C.RED, "No response"), "--", "--", "--", "--"])
+            errors.append((iom, str(data)))
 
     draw_table(
         ["IOM", "Mode", "Origin", "IP Address", "Gateway", "Subnet Mask"],
@@ -860,6 +862,11 @@ def fetch_current_config(cfg: ShelfConfig) -> bool:
     )
     print()
 
+    if errors:
+        for iom, err in errors:
+            error(f"{iom} query failed: {err}")
+        print()
+
     if not any_ok:
         error("Neither IOM responded to the Redfish query.")
         error("Check that the serial cable is connected and the IOM is booted.")