diff --git a/homeassistant/components/screenlogic/__init__.py b/homeassistant/components/screenlogic/__init__.py
index 11f71cfd337..c5c082cd509 100644
--- a/homeassistant/components/screenlogic/__init__.py
+++ b/homeassistant/components/screenlogic/__init__.py
@@ -195,9 +195,15 @@ class ScreenlogicEntity(CoordinatorEntity):
         """Return device information for the controller."""
         controller_type = self.config_data["controller_type"]
         hardware_type = self.config_data["hardware_type"]
+        try:
+            equipment_model = EQUIPMENT.CONTROLLER_HARDWARE[controller_type][
+                hardware_type
+            ]
+        except KeyError:
+            equipment_model = f"Unknown Model C:{controller_type} H:{hardware_type}"
         return {
             "connections": {(dr.CONNECTION_NETWORK_MAC, self.mac)},
             "name": self.gateway_name,
             "manufacturer": "Pentair",
-            "model": EQUIPMENT.CONTROLLER_HARDWARE[controller_type][hardware_type],
+            "model": equipment_model,
         }