LG Microwave error code
LG Microwave Error F5
There is a damper switch error. It can also indicate a problem with the humidity sensor.
There is a damper switch error. It can also indicate a problem with the humidity sensor.
Try these first
Start here before buying a part or taking the appliance apart.
- 1Step 1
Unplug the microwave for a few minutes to see if the error clears.
- 2Step 2
With the microwave unplugged, locate the damper assembly and manually check if the damper door moves freely without obstruction.
- 3Stop and arrange professional service
If the error code returns after a full power reset, stop DIY internal work. Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair should be handled by a qualified technician.
A quick explanation
What does F5 mean?
There is a damper switch error. It can also indicate a problem with the humidity sensor.
The answer you came for
How to fix LG microwave error F5
Start with the safest checks and work from simple to technical.
Microwave internal components can retain hazardous voltage even after unplugging. The steps below are limited to safe external checks. Internal diagnosis and repair should be handled by a qualified professional.
- 1
Step 1
Unplug the microwave for a few minutes to see if the error clears.
- 2
Step 2
With the microwave unplugged, locate the damper assembly and manually check if the damper door moves freely without obstruction.
- 3
Stop and arrange professional service
If the error code returns after a full power reset, stop DIY internal work. Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair should be handled by a qualified technician.
What you should see: You avoid opening the cabinet or touching internal high-voltage parts.
What may be causing it?
- Damper switch error
- Vent damper door is stuck due to grease or a foreign object
These are possibilities to investigate, not proof that one part has failed.
Recommended part
Possible technician-diagnosed component
Vent Damper Door: 4900W1A001B
Price noted in the current guide: $10-$40
Why this part is shown: A technician may identify Vent Damper Door: 4900W1A001B on some LG microwave models after diagnosis. This is not a DIY installation guide.
Do not open the microwave cabinet or attempt internal replacement. Confirm model compatibility with a qualified technician before any purchase.
You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.
Affiliate disclosure: qualifying purchases may earn this site a commission at no additional cost to you.Replacement options
Ready to replace your microwave?
If repairing this microwave no longer feels worthwhile, compare three replacement paths below.
Why shop your replacement on Amazon?
-
Fast, free delivery
Prime members can get fast, free delivery on eligible items.
-
Convenient delivery options
Select large appliances may offer scheduled or Room of Choice delivery.
-
Haul-away options
Haul-away may be available for select appliances and delivery areas.
-
Installation help
Installation or assembly may be available on select items.
Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.
Value
$0-$199
Budget-friendly microwaves in the $0-$199 range.
Shop Value Options on AmazonBest Overall
$200-$399
Balanced microwaves in the $200-$399 range.
Shop Best Overall Options on AmazonPremium
$400-$1,000
Higher-end microwaves in the $400-$1,000 range.
Shop Premium Options on AmazonMake the money decision
Repair or replace calculator
Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.
Safety first
Unplug the microwave before any checks. Do not remove the cabinet or touch internal components.
When to stop
- Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair require a qualified technician.
Free quick sheet
Get the LG Microwave Error Code Quick Sheet
A concise reference with code meanings, severity, first checks, and when it is time to stop and call for service.
No spam. Unsubscribe anytime.