How do I fix error code F-7 on a LG ovens & ranges?

1. undefined: Unplug the unit. 2. undefined: Check if the connection of the convection motor is loose or disconnected. If yes, reconnect; if harness is defective, replace or fix. 3. undefined: Check the connection of CN4 of Power PCB and CN1 of Main PCB. If abnormal, reconnect; if harness is defective, replace or fix. 4. undefined: Measure convection motor resistance (refer to Component Test section, page 4-1): Normal Low-COM ≈ 30Ω, High-COM ≈ 23.7Ω. If abnormal (open = infinite, or shorted = below 5Ω), replace the Convection Motor. 5. undefined: If motor resistance is normal, replace the Main PCB. If problem persists after Main PCB replacement, replace the Power PCB.

LG Ovens & Ranges

Error Code F-7

Convection Fan Motor Error

Moderate

Address soon - your appliance may not work properly

Also displayed as: F-7

How to Fix

1
Unplug the unit.
2
Check if the connection of the convection motor is loose or disconnected. If yes, reconnect; if harness is defective, replace or fix.
3
Check the connection of CN4 of Power PCB and CN1 of Main PCB. If abnormal, reconnect; if harness is defective, replace or fix.
4
Measure convection motor resistance (refer to Component Test section, page 4-1): Normal Low-COM ≈ 30Ω, High-COM ≈ 23.7Ω. If abnormal (open = infinite, or shorted = below 5Ω), replace the Convection Motor.
5
If motor resistance is normal, replace the Main PCB. If problem persists after Main PCB replacement, replace the Power PCB.