Advertisement
Troubleshooting
Freezer Fan Error (Er FF)
1
Reset the unit and
Input Test1 Mode.
(Push the button 1 time)
2
Open the freezer door and Check
the air flow. Windy?
Yes
Go to 4
3
Check the Fan motor.
Rotate fan using hand.
It feel sticky?
Fan Motor
No
Go to 3
Change the
Yes
Fan motor
4
Check the Fan Motor voltage
Is Fan Motor voltage 10~12V?
CON8
TEST MODE 1
CON8
th
th
9
pin ~ 12
pin
Yes
5 Check the Fan Motor voltage
Is Fan PWM voltage 2~4.5V ?
CON8
TEST MODE 1
CON8
th
th
9
pin ~ 19
pin
No
5 Check the Fan Motor voltage
Is Fan Feed Back voltage 0V,5V ?
TEST MODE 1
CON8
th
th
9
pin ~ 10
pin
No
6 Explain to customer
Replace
No
Main PCB
Voltage [V]
10~12 VDC
Replace
No
Main PCB
Voltage [V]
2~4.5 VDC
Change the
Yes
motor
CON8
Voltage [V]
Not 0V, 5V
Advertisement
