LG LTNS16121V /00 - Page 48

- Condenser Fan Error
1
48
Reset the unit and start Test Mode 1 (press
once the button on PCB).
Check the Fan motor voltage. Is fan motor
voltage 8V~13V?
TEST MODE 1 Voltage [V]
CON5
1
th
pin ~ 2
nd
pin
8V~13V
TEST MODE 1 Voltage [V]
CON5
2
nd
pin ~ 3
th
pin
Not 0V, 5V
CON5
Check the fan
rotating. Does it fan
rotate?
Result SVC Support
Yes Go to step 3
No Go to step 2
Check the Fan motor.
Rotate fan using hand.
Does it feel sticky?
Result SVC Support
Yes Change the motor
2
No Go to step 3
3
Result SVC Support
Yes Go to step 4
No Replace PCB
Check the Fan motor voltage. Is fan feedback
voltage 0V, 5V?
4
Result SVC Support
Yes Change the motor
No Explain to customer
No Checking Result and SVC countermeasure
Fan Motor
Fan Motor
CON5