diff --git a/packages/platforms/accton/powerpc/powerpc-accton-as4600-54t/onlp/builds/src/module/src/fani.c b/packages/platforms/accton/powerpc/powerpc-accton-as4600-54t/onlp/builds/src/module/src/fani.c
index 5544c9f8..c3e4abf9 100644
--- a/packages/platforms/accton/powerpc/powerpc-accton-as4600-54t/onlp/builds/src/module/src/fani.c
+++ b/packages/platforms/accton/powerpc/powerpc-accton-as4600-54t/onlp/builds/src/module/src/fani.c
@@ -37,10 +37,10 @@
 
 /* FAN status mask
  */
-#define CPLD_FAN_1_PRESENT_BIT_MASK     0x80
-#define CPLD_FAN_2_PRESENT_BIT_MASK     0x40
-#define CPLD_FAN_1_DIRECTION_BIT_MASK   0x20
-#define CPLD_FAN_2_DIRECTION_BIT_MASK   0x10
+#define CPLD_FAN_1_PRESENT_BIT_MASK     0x40
+#define CPLD_FAN_2_PRESENT_BIT_MASK     0x80
+#define CPLD_FAN_1_DIRECTION_BIT_MASK   0x10
+#define CPLD_FAN_2_DIRECTION_BIT_MASK   0x20
 #define CPLD_PSU_FAN_STATUS_BIT_MASK    0x8
 #define CPLD_PSU_POWER_GOOD_MASK        0x10
 #define CPLD_PSU_PRESENT_BIT_MASK       0x80
@@ -52,13 +52,13 @@
 
 /* FAN status register in the ADT7473
  */
-#define I2C_FAN_1_STATUS_REG_TACH_1_LOW    0x28
-#define I2C_FAN_1_STATUS_REG_TACH_1_HIGH   0x29
-#define I2C_FAN_2_STATUS_REG_TACH_3_LOW    0x2C
-#define I2C_FAN_2_STATUS_REG_TACH_3_HIGH   0x2D
+#define I2C_FAN_1_STATUS_REG_TACH_1_LOW    0x2C
+#define I2C_FAN_1_STATUS_REG_TACH_1_HIGH   0x2D
+#define I2C_FAN_2_STATUS_REG_TACH_3_LOW    0x28
+#define I2C_FAN_2_STATUS_REG_TACH_3_HIGH   0x29
 
-#define I2C_FAN_1_DUTY_CYCLE_REG_PWM_1     0x30
-#define I2C_FAN_2_DUTY_CYCLE_REG_PWM_3     0x32
+#define I2C_FAN_1_DUTY_CYCLE_REG_PWM_1     0x32
+#define I2C_FAN_2_DUTY_CYCLE_REG_PWM_3     0x30
 
 #define I2C_AC_PSU_CHICONY_REG_FAN_SPEED     0x90
 #define I2C_AC_PSU_CHICONY_REG_FAN_COMMAND   0x3B