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Condenser Fan Error ( Er CF)
1
Reset the unit and
Input Test1 Mode.
(Push the button 1 time)
2
Check the fan rotating.
Does fan rotate?
Fan Motor
Yes
Go to 4
3
Check the Fan motor.
Rotate fan using hand.
It feel sticky?
Fan Motor
4
No
Go to 3
5
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V, 5V?
Change the
Yes
Fan motor
6
Explain to customer
74
Check the Fan Motor voltage
Is Fan Motor voltage 8~14V?
CON8
TEST MODE 1
Voltage [V]
CON8
8~14V
th
th
15
pin ~ 14
pin
Yes
TEST MODE 1
Voltage [V]
CON8
Not 0V, 5V
nd
th
15
pin ~ 16
pin
No
Replace
No
Main PCB
Change the
Yes
motor
CON8
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