diff --git a/CYD-Klipper/src/ui/main_ui.cpp b/CYD-Klipper/src/ui/main_ui.cpp
index 8b33ae9..4ac8492 100644
--- a/CYD-Klipper/src/ui/main_ui.cpp
+++ b/CYD-Klipper/src/ui/main_ui.cpp
@@ -11,77 +11,6 @@
 #include "switch_printer.h"
 #include "macros.h"
 
-char extruder_temp_buff[20];
-char bed_temp_buff[20];
-char position_buff[20];
-
-static void btn_click_restart(lv_event_t * e){
-    send_gcode(false, "RESTART");
-}
-
-static void btn_click_firmware_restart(lv_event_t * e){
-    send_gcode(false, "FIRMWARE_RESTART");
-}
-
-void error_ui_macros_open(lv_event_t * e){
-    macros_draw_power_fullscreen();
-}
-
-void error_ui(){
-    lv_obj_clean(lv_scr_act());
-
-    lv_obj_t * panel = lv_create_empty_panel(lv_scr_act());
-    lv_layout_flex_column(panel);
-    lv_obj_set_size(panel, CYD_SCREEN_WIDTH_PX, CYD_SCREEN_HEIGHT_PX);
-    lv_obj_set_style_pad_all(panel, CYD_SCREEN_GAP_PX, 0);
-    lv_obj_set_flex_align(panel, LV_FLEX_ALIGN_SPACE_BETWEEN, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
-    
-    lv_obj_t * label;
-    label = lv_label_create(panel);
-    lv_label_set_text(label, LV_SYMBOL_WARNING " Printer is not ready");
-
-    label = lv_label_create(panel);
-    lv_label_set_text(label, printer.state_message);
-    lv_obj_set_width(label, CYD_SCREEN_WIDTH_PX - CYD_SCREEN_GAP_PX * 2);
-    lv_obj_clear_flag(label, LV_OBJ_FLAG_SCROLLABLE);
-    lv_label_set_long_mode(label, LV_LABEL_LONG_WRAP);
-
-    lv_obj_t * button_row = lv_create_empty_panel(panel);
-    lv_obj_set_size(button_row, CYD_SCREEN_WIDTH_PX - CYD_SCREEN_GAP_PX * 2, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
-    lv_layout_flex_row(button_row);
-
-    lv_obj_t * btn = lv_btn_create(button_row);
-    lv_obj_set_height(btn, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
-    lv_obj_add_event_cb(btn, btn_click_restart, LV_EVENT_CLICKED, NULL);
-    lv_obj_set_flex_grow(btn, 1);
-
-    label = lv_label_create(btn);
-    lv_label_set_text(label, "Restart");
-    lv_obj_center(label);
-
-    btn = lv_btn_create(button_row);
-    lv_obj_set_height(btn, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
-    lv_obj_add_event_cb(btn, btn_click_firmware_restart, LV_EVENT_CLICKED, NULL);
-    lv_obj_set_flex_grow(btn, 1);
-
-    label = lv_label_create(btn);
-    lv_label_set_text(label, "FW Restart");
-    lv_obj_center(label);
-
-    if (power_devices_count() >= 1){
-        btn = lv_btn_create(button_row);
-        lv_obj_set_height(btn, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
-        lv_obj_add_event_cb(btn, error_ui_macros_open, LV_EVENT_CLICKED, NULL);
-        lv_obj_set_flex_grow(btn, 1);
-
-        label = lv_label_create(btn);
-        lv_label_set_text(label, "Devices");
-        lv_obj_center(label);
-    }
-
-    draw_switch_printer_button();
-}
-
 void check_if_screen_needs_to_be_disabled(){
     if (global_config.on_during_print && printer.state == PRINTER_STATE_PRINTING){
         screen_timer_wake();
@@ -96,10 +25,10 @@ static void on_state_change(void * s, lv_msg_t * m){
     check_if_screen_needs_to_be_disabled();
     
     if (printer.state == PRINTER_STATE_ERROR){
-        error_ui();
+        nav_buttons_setup(PANEL_ERROR);
     }
     else {
-        nav_buttons_setup(0);
+        nav_buttons_setup(PANEL_PRINT);
     }
 }
 
diff --git a/CYD-Klipper/src/ui/nav_buttons.cpp b/CYD-Klipper/src/ui/nav_buttons.cpp
index cf6a29f..aa2d0d2 100644
--- a/CYD-Klipper/src/ui/nav_buttons.cpp
+++ b/CYD-Klipper/src/ui/nav_buttons.cpp
@@ -58,27 +58,31 @@ static void update_printer_data_time(lv_event_t * e){
 }
 
 static void btn_click_files(lv_event_t * e){
-    nav_buttons_setup(0);
+    nav_buttons_setup(PANEL_PRINT);
 }
 
 static void btn_click_move(lv_event_t * e){
-    nav_buttons_setup(1);
+    nav_buttons_setup(PANEL_MOVE);
 }
 
 static void btn_click_extrude(lv_event_t * e){
-    nav_buttons_setup(2);
+    nav_buttons_setup(PANEL_TEMP);
 }
 
 static void btn_click_settings(lv_event_t * e){
-    nav_buttons_setup(3);
+    nav_buttons_setup(PANEL_SETTINGS);
 }
 
 static void btn_click_macros(lv_event_t * e){
-    nav_buttons_setup(4);
+    nav_buttons_setup(PANEL_MACROS);
 }
 
 static void btn_click_printer(lv_event_t * e){
-    nav_buttons_setup(6);
+    nav_buttons_setup(PANEL_PRINTER);
+}
+
+static void btn_click_err(lv_event_t * e){
+    nav_buttons_setup(PANEL_ERROR);
 }
 
 void create_button(const char* icon, const char* name, lv_event_cb_t button_click, lv_event_cb_t label_update, lv_obj_t * root){
@@ -124,20 +128,27 @@ void nav_buttons_setup(unsigned char active_panel){
 
 #endif
 
-    // Files/Print
-    create_button(LV_SYMBOL_COPY, "Idle", btn_click_files, update_printer_data_time, root_panel);
+    if (printer.state != PRINTER_STATE_ERROR){
+        // Files/Print
+        create_button(LV_SYMBOL_COPY, "Idle", btn_click_files, update_printer_data_time, root_panel);
 
-    // Move
-    create_button(printer.state == PRINTER_STATE_PRINTING ? LV_SYMBOL_EDIT : LV_SYMBOL_CHARGE, "Z?", btn_click_move, update_printer_data_z_pos, root_panel);
+        // Move
+        create_button(printer.state == PRINTER_STATE_PRINTING ? LV_SYMBOL_EDIT : LV_SYMBOL_CHARGE, "Z?", btn_click_move, update_printer_data_z_pos, root_panel);
 
-    // Extrude/Temp
-    create_button(LV_SYMBOL_WARNING, "?/?", btn_click_extrude, update_printer_data_temp, root_panel);
+        // Extrude/Temp
+        create_button(LV_SYMBOL_WARNING, "?/?", btn_click_extrude, update_printer_data_temp, root_panel);
+    }
+    else {
+        // Error UI
+        create_button(LV_SYMBOL_WARNING, "Error", btn_click_err, NULL, root_panel);
+    }
 
     // Macros
     create_button(LV_SYMBOL_GPS, "Macro", btn_click_macros, NULL, root_panel);
 
     if (global_config.multi_printer_mode)
     {
+        // Printers
         create_button(LV_SYMBOL_HOME, "Printer", btn_click_printer, NULL, root_panel);
     }
 
@@ -146,27 +157,30 @@ void nav_buttons_setup(unsigned char active_panel){
     lv_obj_align(panel, LV_ALIGN_TOP_RIGHT, 0, 0);
 
     switch (active_panel){
-        case 0:
+        case PANEL_PRINT:
             print_panel_init(panel);
             break;
-        case 1:
+        case PANEL_MOVE:
             move_panel_init(panel);
             break;
-        case 2:
+        case PANEL_TEMP:
             temp_panel_init(panel);
             break;
-        case 3:
+        case PANEL_SETTINGS:
             settings_panel_init(panel);
             break;
-        case 4:
+        case PANEL_MACROS:
             macros_panel_init(panel);
             break;
-        case 5:
+        case PANEL_STATS:
             stats_panel_init(panel);
             break;
-        case 6:
+        case PANEL_PRINTER:
             printer_panel_init(panel);
             break;
+        case PANEL_ERROR:
+            error_panel_init(panel);
+            break;
     }
 
     lv_msg_send(DATA_PRINTER_DATA, &printer);
diff --git a/CYD-Klipper/src/ui/nav_buttons.h b/CYD-Klipper/src/ui/nav_buttons.h
index 5ba07de..b1c6c10 100644
--- a/CYD-Klipper/src/ui/nav_buttons.h
+++ b/CYD-Klipper/src/ui/nav_buttons.h
@@ -1,2 +1,13 @@
+#pragma once
+
+#define PANEL_PRINT 0
+#define PANEL_MOVE 1
+#define PANEL_TEMP 2
+#define PANEL_SETTINGS 3
+#define PANEL_MACROS 4
+#define PANEL_STATS 5
+#define PANEL_PRINTER 6
+#define PANEL_ERROR 7
+
 void nav_buttons_setup(unsigned char active_panel);
 void nav_style_setup();
\ No newline at end of file
diff --git a/CYD-Klipper/src/ui/panels/error_panel.cpp b/CYD-Klipper/src/ui/panels/error_panel.cpp
new file mode 100644
index 0000000..10a28ba
--- /dev/null
+++ b/CYD-Klipper/src/ui/panels/error_panel.cpp
@@ -0,0 +1,53 @@
+#include "panel.h"
+#include "../../core/data_setup.h"
+#include "../ui_utils.h"
+
+static void btn_click_restart(lv_event_t * e){
+    send_gcode(false, "RESTART");
+}
+
+static void btn_click_firmware_restart(lv_event_t * e){
+    send_gcode(false, "FIRMWARE_RESTART");
+}
+
+void error_panel_init(lv_obj_t* panel) 
+{
+    lv_layout_flex_column(panel, LV_FLEX_ALIGN_SPACE_BETWEEN);
+    lv_obj_set_style_pad_all(panel, CYD_SCREEN_GAP_PX, 0);
+
+    lv_obj_t * label;
+    label = lv_label_create(panel);
+    lv_label_set_text(label, LV_SYMBOL_WARNING " Printer is not ready");
+
+    lv_obj_t * panel_with_text = lv_create_empty_panel(panel);
+    lv_layout_flex_column(panel_with_text, LV_FLEX_ALIGN_START);
+    lv_obj_set_flex_grow(panel_with_text, 1);
+    lv_obj_set_width(panel_with_text, CYD_SCREEN_PANEL_WIDTH_PX - CYD_SCREEN_GAP_PX * 2);
+
+    label = lv_label_create(panel_with_text);
+    lv_label_set_text(label, printer.state_message);
+    lv_obj_set_width(label, CYD_SCREEN_PANEL_WIDTH_PX - CYD_SCREEN_GAP_PX * 2);
+    lv_label_set_long_mode(label, LV_LABEL_LONG_WRAP);
+
+    lv_obj_t * button_row = lv_create_empty_panel(panel);
+    lv_obj_set_size(button_row, CYD_SCREEN_PANEL_WIDTH_PX - CYD_SCREEN_GAP_PX * 2, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
+    lv_layout_flex_row(button_row);
+
+    lv_obj_t * btn = lv_btn_create(button_row);
+    lv_obj_set_height(btn, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
+    lv_obj_add_event_cb(btn, btn_click_restart, LV_EVENT_CLICKED, NULL);
+    lv_obj_set_flex_grow(btn, 1);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, "Restart");
+    lv_obj_center(label);
+
+    btn = lv_btn_create(button_row);
+    lv_obj_set_height(btn, CYD_SCREEN_MIN_BUTTON_HEIGHT_PX);
+    lv_obj_add_event_cb(btn, btn_click_firmware_restart, LV_EVENT_CLICKED, NULL);
+    lv_obj_set_flex_grow(btn, 1);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, "FW Restart");
+    lv_obj_center(label);
+}
\ No newline at end of file
diff --git a/CYD-Klipper/src/ui/panels/macros_panel.cpp b/CYD-Klipper/src/ui/panels/macros_panel.cpp
index 6245f97..295eaca 100644
--- a/CYD-Klipper/src/ui/panels/macros_panel.cpp
+++ b/CYD-Klipper/src/ui/panels/macros_panel.cpp
@@ -7,7 +7,7 @@
 #include <HardwareSerial.h>
 
 static void btn_goto_settings(lv_event_t * e){
-    nav_buttons_setup(3);
+    nav_buttons_setup(PANEL_SETTINGS);
 }
 
 void macros_panel_init(lv_obj_t* panel) {
diff --git a/CYD-Klipper/src/ui/panels/move_panel.cpp b/CYD-Klipper/src/ui/panels/move_panel.cpp
index 2ffc264..913339d 100644
--- a/CYD-Klipper/src/ui/panels/move_panel.cpp
+++ b/CYD-Klipper/src/ui/panels/move_panel.cpp
@@ -85,7 +85,7 @@ static void disable_steppers_click(lv_event_t * e) {
 
 static void switch_to_stat_panel(lv_event_t * e) {
     lv_obj_t * panel = lv_event_get_target(e);
-    nav_buttons_setup(5);
+    nav_buttons_setup(PANEL_STATS);
 }
 
 inline void root_panel_steppers_locked(lv_obj_t * root_panel){
diff --git a/CYD-Klipper/src/ui/panels/panel.h b/CYD-Klipper/src/ui/panels/panel.h
index a6c1aa8..70223ad 100644
--- a/CYD-Klipper/src/ui/panels/panel.h
+++ b/CYD-Klipper/src/ui/panels/panel.h
@@ -10,4 +10,5 @@ void move_panel_init(lv_obj_t* panel);
 void progress_panel_init(lv_obj_t* panel);
 void macros_panel_init(lv_obj_t* panel);
 void stats_panel_init(lv_obj_t* panel);
-void printer_panel_init(lv_obj_t* panel);
\ No newline at end of file
+void printer_panel_init(lv_obj_t* panel);
+void error_panel_init(lv_obj_t* panel);
\ No newline at end of file
diff --git a/CYD-Klipper/src/ui/panels/printer_panel.cpp b/CYD-Klipper/src/ui/panels/printer_panel.cpp
index bc2ef52..6e8dfd6 100644
--- a/CYD-Klipper/src/ui/panels/printer_panel.cpp
+++ b/CYD-Klipper/src/ui/panels/printer_panel.cpp
@@ -163,7 +163,7 @@ static void btn_printer_delete(lv_event_t * e)
     config->ip_configured = false;
     write_global_config();
 
-    nav_buttons_setup(6);
+    nav_buttons_setup(PANEL_PRINTER);
 }
 
 // TODO: Extract this from temp/print panel and combine
diff --git a/CYD-Klipper/src/ui/panels/settings_panel.cpp b/CYD-Klipper/src/ui/panels/settings_panel.cpp
index 12fdad9..ecc124d 100644
--- a/CYD-Klipper/src/ui/panels/settings_panel.cpp
+++ b/CYD-Klipper/src/ui/panels/settings_panel.cpp
@@ -111,7 +111,7 @@ static void multi_printer_switch(lv_event_t* e){
     bool checked = (state & LV_STATE_CHECKED == LV_STATE_CHECKED);
     global_config.multi_printer_mode = checked;
     write_global_config();
-    nav_buttons_setup(3);
+    nav_buttons_setup(PANEL_SETTINGS);
 }
 
 const char* estimated_time_options = "Percentage\nInterpolated\nSlicer";