diff --git a/ATU_100_EXT_board/FirmWare_PIC18F2520/2520_EXT_board_sources_V_3.0/main.c b/ATU_100_EXT_board/FirmWare_PIC18F2520/2520_EXT_board_sources_V_3.0/main.c
index 2c0def8..f82fe2e 100644
--- a/ATU_100_EXT_board/FirmWare_PIC18F2520/2520_EXT_board_sources_V_3.0/main.c
+++ b/ATU_100_EXT_board/FirmWare_PIC18F2520/2520_EXT_board_sources_V_3.0/main.c
@@ -33,7 +33,7 @@ void main() {
    if(RCON.B3==0) Restart = 1;
    pic_init();
    //
-   Delay_ms (100);
+   Delay_ms (300);
    asm CLRWDT;
    cells_init();
    Soft_I2C_Init();
@@ -43,7 +43,7 @@ void main() {
    }
    dysp_cnt = Dysp_delay * dysp_cnt_mult;
    //
-   Delay_ms(200);
+   Delay_ms(300);
    asm CLRWDT;
    if(PORTB.B1==0 & PORTB.B2==0) {      // Test mode
       Test = 1;
@@ -817,4 +817,4 @@ void cells_init(void) {
    asm CLRWDT;
    return;
    
-}
\ No newline at end of file
+}