Index: dialin/common/msg_ids.py
===================================================================
diff -u -rb380516aac6b6b68f3d1532cba02b54facb23020 -rd267c69084642a4aad216769294fe881b1ed1cc4
--- dialin/common/msg_ids.py	(.../msg_ids.py)	(revision b380516aac6b6b68f3d1532cba02b54facb23020)
+++ dialin/common/msg_ids.py	(.../msg_ids.py)	(revision d267c69084642a4aad216769294fe881b1ed1cc4)
@@ -8,7 +8,7 @@
 # @file    msg_ids.py
 #
 # @author  (last)      Dara Navaei
-# @date    (last)      08-Nov-2022
+# @date    (last)      14-Nov-2022
 # @author  (original)  Peter Lucia
 # @date    (original)  06-Apr-2021
 #
@@ -239,7 +239,7 @@
     MSG_ID_PRESSURE_VENOUS_OVERRIDE = 0x8018
     MSG_ID_OCCLUSION_BLOOD_PUMP_OVERRIDE = 0x8019
     MSG_ID_BLOOD_PUMP_ROTOR_COUNT_OVERRIDE = 0x801A
-    MSG_ID____AVAILABLE_11 = 0x801B
+    MSG_ID_HD_AIR_PUMP_SET_STATE = 0x801B
     MSG_ID_PRES_OCCL_SEND_INTERVAL_OVERRIDE = 0x801C
     MSG_ID_SET_RTC_DATE_TIME = 0x801D
     MSG_ID_DIAL_OUT_FLOW_SEND_INTERVAL_OVERRIDE = 0x801E
@@ -308,7 +308,7 @@
     MSG_ID_HD_BUBBLE_STATUS_OVERRIDE = 0x805E
     MSG_ID_HD_BLOOD_PRIME_VOLUME_OVERRIDE = 0x805F
     MSG_ID_HD_BUBBLE_SELF_TEST_REQUEST = 0x8060
-    MSG_ID_HD_FAN_RPM_ALARM_START_TIME_OFFSET_OVERRIDE = 0x8061
+    MSG_ID_HD_AIR_PUMP_PUBLISH_INTERVAL_OVERRIDE = 0x8061
     MSG_ID_HD_SWITCHES_STATUS_OVERRIDE = 0x8062
     MSG_ID_HD_SWITCHES_PUBLISH_INTERVAL_OVERRIDE = 0x8063
     MSG_ID_HD_BATTERY_REMAINING_PERCENT_OVERRIDE = 0x8064
Index: dialin/hd/hemodialysis_device.py
===================================================================
diff -u -r1ceb44f1f6d97ce295db7c3233043df9cca35746 -rd267c69084642a4aad216769294fe881b1ed1cc4
--- dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision 1ceb44f1f6d97ce295db7c3233043df9cca35746)
+++ dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision d267c69084642a4aad216769294fe881b1ed1cc4)
@@ -17,6 +17,7 @@
 
 from .accelerometer import HDAccelerometer
 from .air_bubbles import HDAirBubbles
+from .air_pump import HDAirPump
 from .air_trap import HDAirTrap
 from .alarms import HDAlarms
 from .blood_flow import HDBloodFlow
@@ -133,6 +134,7 @@
         # Create command groups
         self.accel = HDAccelerometer(self.can_interface, self.logger)
         self.air_bubbles = HDAirBubbles(self.can_interface, self.logger)
+        self.air_pump = HDAirPump(self.can_interface, self.logger)
         self.air_trap = HDAirTrap(self.can_interface, self.logger)
         self.alarms = HDAlarms(self.can_interface, self.logger)
         self.blood_leak = HDBloodLeak(self.can_interface, self.logger)
Index: dialin/hd/ui_proxy.py
===================================================================
diff -u -rab95fd4d07280a6af9a18956a4e55ac9d62823e2 -rd267c69084642a4aad216769294fe881b1ed1cc4
--- dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision ab95fd4d07280a6af9a18956a4e55ac9d62823e2)
+++ dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision d267c69084642a4aad216769294fe881b1ed1cc4)
@@ -1022,7 +1022,7 @@
         minor = unsigned_byte_to_bytearray(0)
         micro = unsigned_byte_to_bytearray(0)
         build = short_to_bytearray(0)
-        compatibility = integer_to_bytearray(0)
+        compatibility = integer_to_bytearray(1)
 
         payload = major + minor + micro + build + compatibility