diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/thermal_infos.py b/platform/mellanox/mlnx-platform-api/sonic_platform/thermal_infos.py
index e810a5646456..57f537fc6e8a 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/thermal_infos.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/thermal_infos.py
@@ -44,7 +44,7 @@ def collect(self, chassis):
             elif status and fan in self._fault_fans:
                 self._fault_fans.remove(fan)
                 self._status_changed = True
-                    
+
 
     def get_absence_fans(self):
         """
@@ -95,12 +95,12 @@ def collect(self, chassis):
         """
         self._status_changed = False
         for psu in chassis.get_all_psus():
-            if psu.get_presence() and psu.get_powergood_status() and psu not in self._presence_psus:
+            if psu.get_presence() and psu not in self._presence_psus:
                 self._presence_psus.add(psu)
                 self._status_changed = True
                 if psu in self._absence_psus:
                     self._absence_psus.remove(psu)
-            elif (not psu.get_presence() or not psu.get_powergood_status()) and psu not in self._absence_psus:
+            elif (not psu.get_presence()) and psu not in self._absence_psus:
                 self._absence_psus.add(psu)
                 self._status_changed = True
                 if psu in self._presence_psus:
diff --git a/platform/mellanox/mlnx-platform-api/tests/test_thermal_policy.py b/platform/mellanox/mlnx-platform-api/tests/test_thermal_policy.py
index f25b6421ed85..a5505feae4ad 100644
--- a/platform/mellanox/mlnx-platform-api/tests/test_thermal_policy.py
+++ b/platform/mellanox/mlnx-platform-api/tests/test_thermal_policy.py
@@ -81,9 +81,9 @@ def test_psu_info():
 
     psu_list[0].powergood = False
     psu_info.collect(chassis)
-    assert len(psu_info.get_absence_psus()) == 1
-    assert len(psu_info.get_presence_psus()) == 0
-    assert psu_info.is_status_changed()
+    assert len(psu_info.get_absence_psus()) == 0
+    assert len(psu_info.get_presence_psus()) == 1
+    assert not psu_info.is_status_changed()
 
 
 def test_fan_policy(thermal_manager):
@@ -304,12 +304,12 @@ def test_load_control_thermal_algo_action():
     json_str = '{\"status\": \"false\"}'
     json_obj = json.loads(json_str)
     action.load_from_json(json_obj)
-    assert not action.status 
+    assert not action.status
 
     json_str = '{\"status\": \"true\"}'
     json_obj = json.loads(json_str)
     action.load_from_json(json_obj)
-    assert action.status 
+    assert action.status
 
     json_str = '{\"status\": \"invalid\"}'
     json_obj = json.loads(json_str)
@@ -407,7 +407,7 @@ class MockThermalManager(ThermalManagerBase):
 
     with pytest.raises(Exception):
         MockThermalManager.load(os.path.join(test_path, 'policy_with_same_conditions.json'))
-    
+
 def test_dynamic_minimum_table_data():
     from sonic_platform.device_data import DEVICE_DATA
     for platform, platform_data in DEVICE_DATA.items():
@@ -432,7 +432,7 @@ def check_minimum_table_data(platform, minimum_table):
         for item in data_list:
             cooling_level = item[0]
             range_str = item[1]
-            
+
             ranges = range_str.split(':')
             low = int(ranges[0])
             high = int(ranges[1])