MB3949G - Microwaves LG - Free user manual and instructions
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| Product Type | Countertop Microwave Oven |
| Brand | LG |
| Model | MB3949G |
| Capacity | 0.9 cu ft (approx. 25 L) |
| Power Output | 1000 Watts |
| Power Source | 120 V / 60 Hz / 1500 W |
| Dimensions (W x H x D) | 19.4 x 11.5 x 15.8 inches |
| Weight | 29.8 lbs |
| Control Type | Electronic touch panel with LED display |
| Functions | Auto Cook, Defrost, Timer, Child Lock, Turntable On/Off |
| Number of Power Levels | 10 |
| Interior Material | Stainless steel with ceramic enamel |
| Door Type | Push button open, see-through glass window |
| Turntable Diameter | 12.4 inches |
| Cleaning | Easy-clean interior; wipe with damp cloth; do not use abrasive cleaners |
| Safety Features | Child lock, auto shut-off, door interlock |
| Spare Parts | Turntable, roller ring, fuse, door latch; available from LG service centers |
| Repairability | Designed for service; replaceable magnetron, capacitor, circuit board |
| Warranty | 1 year limited warranty on parts and labor |
Frequently Asked Questions - MB3949G LG
How do I set the clock on the LG MB3949G microwave?
Press the Clock button, then use the number pad to enter the time. Press Clock again to confirm. Use AM/PM if available.
What is the Child Lock feature and how do I activate it?
The Child Lock prevents accidental operation. Press and hold the Stop button for about 3 seconds until you hear a beep. Repeat to deactivate.
Can I use metal utensils in this microwave?
No, metal utensils should not be used unless specifically marked microwave-safe. They can cause arcing and damage the oven. Use only microwave-safe containers.
How do I defrost food using the Auto Defrost function?
Press the Defrost button, enter the weight of the food using the number pad, then press Start. The microwave will calculate the appropriate time.
Why is the microwave not heating?
Check if the door is fully closed. Ensure the power cord is plugged in and the circuit breaker is on. If the issue persists, the magnetron may need replacement; contact a service center.
How do I clean the interior of the LG MB3949G?
Wipe the interior with a damp cloth and mild detergent. Do not use abrasive cleaners. For stubborn stains, heat a bowl of water with lemon juice for 1-2 minutes to loosen residue.
What does the 'Turntable On/Off' button do?
This button allows you to turn the turntable off for larger dishes. Use it only when the dish is placed properly to ensure even cooking.
Can I adjust the power level?
Yes, press the Power button repeatedly to cycle through 10 levels (High=10, Low=1). Select the desired level before starting.
How do I replace the turntable or roller ring?
To replace the turntable, lift it straight up. The roller ring sits under the turntable. Both can be purchased as spare parts from LG. Always unplug the microwave before maintenance.
Does this microwave have a sensor cook feature?
The LG MB3949G does not include a humidity sensor. It uses preset times for auto cook functions. Manual time and power settings are recommended for best results.
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