diff --git a/maintenance_server_monitoring/models/maintenance_equipment.py b/maintenance_server_monitoring/models/maintenance_equipment.py
index af78bb1..2bfece9 100644
--- a/maintenance_server_monitoring/models/maintenance_equipment.py
+++ b/maintenance_server_monitoring/models/maintenance_equipment.py
@@ -110,22 +110,22 @@ class MaintenanceEquipment(models.Model):
         """
         self.search([("enable_monitoring","=",True)]).monitoring_test()
 
-    def launch_test(self, attribute, log, *test_function_args):
+    def launch_test(self, field_name, *test_function_args):
             """run test function with name = test_[attribute]
             associate result of test to equipment
             write logs of test
 
 
             Args:
-                attribute (string): attribute of MaintenanceEquipment we want to test
+                attribute_name (string): attribute of MaintenanceEquipment we want to test
+                *test_function_args = optionnal args to pass to function (unused for the moment)
 
             Returns:
                 MonitoringTest: returned by test function
             """
-            test_function = getattr(self,"test_"+attribute)
+            test_function = getattr(self,"test_"+field_name)
             test = test_function(*test_function_args)            
-            setattr(self, attribute, test.result)
-            log.write(test.log)                        
+            setattr(self, field_name, test.result)            
             return test
     
     def get_tests(self):
@@ -138,26 +138,21 @@ class MaintenanceEquipment(models.Model):
     
     def monitoring_test(self):    
 
-        for equipment in self:
-            
-            # we use StingIO instead of string to use mutable object 
-            log = StringIO() 
-
+        for equipment in self:                        
             # array of all tests
             tests_results = []
 
             # run all tests referenced in get_tests and save result
             for test in self.get_tests():
-                tests_results.append(equipment.launch_test(test, log))
-            
+                tests_results.append(equipment.launch_test(test))
 
             # set test date
             equipment.last_monitoring_test_date = fields.Datetime.now()
             
             # write logs
-            log.seek(0) #log is a StringIO so seek to beginning before read
-            new_log = f'📣 {fields.Datetime.now()}\n{log.read()}\n'   
-            new_log = new_log.replace("\n","<br />") # log field is HTML, so format lines 
+            #new logs are current datetime + join of test results logs
+            new_log = f'📣 {fields.Datetime.now()}\n{"".join([tests_result.log for tests_result in tests_results])}\n'.replace("\n","<br />")
+            #add new logs to the beginning of equipment log
             equipment.log = f'{new_log}<br />{equipment.log}'[:LOG_LIMIT] #limit logs 
 
             #Create maintenance request only if monitoring is enabled
diff --git a/maintenance_server_monitoring_ping/models/maintenance_equipment.py b/maintenance_server_monitoring_ping/models/maintenance_equipment.py
index dae0c71..ea3e17a 100644
--- a/maintenance_server_monitoring_ping/models/maintenance_equipment.py
+++ b/maintenance_server_monitoring_ping/models/maintenance_equipment.py
@@ -64,7 +64,7 @@ class MaintenanceEquipment(models.Model):
                 return test.test_warning(True, f"PING OK in {ping_ms}ms (> {MAX_PING_MS_WARNING})")             
             else:
                 # ping result higher than ERROR => ERROR
-                return test.test_error(False, f"PING OK in {ping_ms}ms (> {MAX_PING_MS_ERROR})")                             
+                return test.test_error(True, f"PING OK in {ping_ms}ms (> {MAX_PING_MS_ERROR})")                             
         else:  
             return test.test_error(False, "PING FAILED")                              
             
diff --git a/maintenance_server_monitoring_ssh/models/maintenance_equipment.py b/maintenance_server_monitoring_ssh/models/maintenance_equipment.py
index 18a09fd..86ea900 100644
--- a/maintenance_server_monitoring_ssh/models/maintenance_equipment.py
+++ b/maintenance_server_monitoring_ssh/models/maintenance_equipment.py
@@ -21,8 +21,7 @@ class MaintenanceEquipment(models.Model):
                     * error = MonitoringTest.ERROR if connection failed
                     * log file
         """   
-        test = self.MonitoringTest("SSH OK")    
-        self.get_ssh_connection()
+        test = self.MonitoringTest("SSH OK")            
         try:
             # SSH connection ok : set ssh connection in result, converted in boolean (True) when set in ssh_ok field
             return test.test_ok(self.get_ssh_connection(), "SSH Connection OK") #ssh connection given by maintenance_server_ssh module