diff --git a/resources/printers/BL-P001.json b/resources/printers/BL-P001.json
index 3f2af4ac5..38836a228 100644
--- a/resources/printers/BL-P001.json
+++ b/resources/printers/BL-P001.json
@@ -13,7 +13,7 @@
 					"model_download": "enabled"
 				}
 			},
-			"nozzle_temp_range": [ 20, 300 ],
+			"nozzle_temp_range": [ 0, 300 ],
 			"support_motor_noise_cali": false,
 			"support_tunnel_mqtt": false,
 			"support_mqtt_alive": false,
diff --git a/resources/printers/BL-P002.json b/resources/printers/BL-P002.json
index cd24ba4cc..8639d6db0 100644
--- a/resources/printers/BL-P002.json
+++ b/resources/printers/BL-P002.json
@@ -13,7 +13,7 @@
 					"model_download": "enabled"
 				}
 			},
-			"nozzle_temp_range": [ 20, 300 ],
+			"nozzle_temp_range": [ 0, 300 ],
 			"support_motor_noise_cali": false,
 			"support_tunnel_mqtt": false,
 			"support_mqtt_alive": false,
diff --git a/resources/printers/C11.json b/resources/printers/C11.json
index 9046d9675..ab1c333a5 100644
--- a/resources/printers/C11.json
+++ b/resources/printers/C11.json
@@ -8,7 +8,7 @@
 					"local": "local"
 				}
 			},
-			"nozzle_temp_range": [ 20, 300 ],
+			"nozzle_temp_range": [ 0, 300 ],
 			"support_motor_noise_cali": false,
 			"support_tunnel_mqtt": false,
 			"support_mqtt_alive": false,
diff --git a/resources/printers/C12.json b/resources/printers/C12.json
index 7a7cc0780..58e623299 100644
--- a/resources/printers/C12.json
+++ b/resources/printers/C12.json
@@ -8,7 +8,7 @@
 					"local": "local"
 				}
 			},
-			"nozzle_temp_range": [ 20, 300 ],
+			"nozzle_temp_range": [ 0, 300 ],
 			"support_motor_noise_cali": false,
 			"support_tunnel_mqtt": false,
 			"support_mqtt_alive": false,
diff --git a/resources/printers/C13.json b/resources/printers/C13.json
index 31c87d053..2dbc7221a 100644
--- a/resources/printers/C13.json
+++ b/resources/printers/C13.json
@@ -13,7 +13,7 @@
 					"model_download": "enabled"
 				}
 			},
-			"nozzle_temp_range": [ 20, 320 ],
+			"nozzle_temp_range": [ 0, 320 ],
 			"support_motor_noise_cali": false,
 			"support_tunnel_mqtt": true,
 			"support_mqtt_alive": true,
@@ -41,7 +41,7 @@
 			"support_ai_monitoring": true,
 			"support_first_layer_inspect": true,
 			"support_chamber_temp_edit": true,
-			"support_chamber_temp_edit_range": [20, 60],
+			"support_chamber_temp_edit_range": [0, 60],
 			"support_extrusion_cali": false,
 			"support_user_preset": false,
 			"bed_temperature_limit": 110,
diff --git a/resources/printers/N1.json b/resources/printers/N1.json
index 93f36f650..6f5a6ed90 100644
--- a/resources/printers/N1.json
+++ b/resources/printers/N1.json
@@ -9,7 +9,7 @@
 					"remote": "tutk"
 				}
 			},
-			"nozzle_temp_range": [ 20, 300 ],
+			"nozzle_temp_range": [ 0, 300 ],
 			"support_motor_noise_cali": true,
 			"support_tunnel_mqtt": true,
 			"support_mqtt_alive": true,
@@ -36,7 +36,7 @@
 			"support_chamber_temp_edit": false,
 			"support_extrusion_cali": true,
 			"support_user_preset": false,
-			"bed_temperature_limit": 100
+			"bed_temperature_limit": 80
 		},
 		"model_id": "N1",
 		"compatible_machine": [],
diff --git a/resources/printers/N2S.json b/resources/printers/N2S.json
index eb8548664..bf87b9ed4 100644
--- a/resources/printers/N2S.json
+++ b/resources/printers/N2S.json
@@ -9,7 +9,7 @@
 					"remote": "tutk"
 				}
 			},
-			"nozzle_temp_range": [ 20, 300 ],
+			"nozzle_temp_range": [ 0, 300 ],
 			"support_motor_noise_cali": true,
 			"support_tunnel_mqtt": true,
 			"support_mqtt_alive": true,
diff --git a/resources/printers/O1D.json b/resources/printers/O1D.json
index 3892481cd..fde457caf 100644
--- a/resources/printers/O1D.json
+++ b/resources/printers/O1D.json
@@ -19,8 +19,8 @@
 					"model_download": "enabled"
 				}
 			},
-			"nozzle_temp_range": [ 20, 350 ],
-			"bed_temp_range": [ 20, 120 ],
+			"nozzle_temp_range": [ 0, 350 ],
+			"bed_temp_range": [ 0, 120 ],
 			"support_motor_noise_cali": false,
 			"support_tunnel_mqtt": true,
 			"support_mqtt_alive": true,
@@ -51,7 +51,7 @@
 			"support_first_layer_inspect": false,
 			"support_save_remote_print_file_to_storage": true,
 			"support_chamber_temp_edit": true,
-			"support_chamber_temp_edit_range": [ 20, 65 ],
+			"support_chamber_temp_edit_range": [ 0, 65 ],
 			"support_chamber_temp_switch_heating": 40,
 			"support_extrusion_cali": false,
 			"support_user_preset": false
diff --git a/resources/printers/version.txt b/resources/printers/version.txt
index c35126eed..070b9064f 100644
--- a/resources/printers/version.txt
+++ b/resources/printers/version.txt
@@ -1 +1,5 @@
-02.00.00.14
\ No newline at end of file
+<<<<<<< HEAD   (9f2e21 FIX: protect the EndModal functions while top dialog is not )
+02.00.00.14
+=======
+02.00.00.17
+>>>>>>> CHANGE (04056a ENH: update temperature limit for all printer)