What to do if my LG MS-191MC Microwave Oven produces little heat?
The lack of heat in your LG Microwave Oven could be due to several factors: the output rating voltage is lower than 90%, a defective PCB assembly, or a defective magnetron. It is suggested that you contact a local electric power utility company or a qualified electrician.
Why is my LG MS-191MC sparking?
Sparks can occur in your LG Microwave Oven if you are using metallic ware or ceramic ware trimmed in gold or silver. Do not use metallic ware for cooking (unless the cooking guide specifies) or any type of cookware with metallic trimming.
How to prevent blown fuse in LG Microwave Oven?
To prevent a blown fuse or breaker when using your LG Microwave Oven, avoid using other electrical appliances at the same time.
Why is the output power too low on my LG MS-191MC?
The output power of your LG Microwave Oven might be low because of low AC input voltage. Ensure you are using the microwave oven at an adequate line voltage.
What causes the fuse to blow in my LG MS-191MC Microwave Oven?
A blown fuse in your LG Microwave Oven can be caused by a malfunction of the monitor switch or a shorted contact at the primary switch. Replace the fuse and the monitor switch. It also may be necessary to replace the high voltage capacitor.
Why LG Microwave Oven has no oscillation, but the lamp and fan work?
If your LG Microwave Oven's lamp and fan motor are running, but there's no microwave oscillation, this could be due to a defective PCB assembly, circuit protector, high voltage transformer, high voltage capacitor, high voltage diode, or magnetron. Replace the defective part.
What to do if the timer doesn't count down on my LG Microwave Oven?
If the setting time does not count down when you touch the START pad on your LG Microwave Oven, it could be due to a defective secondary switch or PCB assembly. Replace the defective switch or PCB assembly.
Why aren't the fan motor or oven lamp turning on in my LG Microwave Oven?
If the fan motor or oven lamp in your LG Microwave Oven do not turn on, it could be due to a defective fan motor or a defective oven lamp. Replace the defective component.
What to do if the fuse doesn't blow in my LG Microwave Oven?
If the fuse doesn't blow in your LG Microwave Oven, it could be due to a defective thermostat or a defective power supply cord. Replace the defective thermostat or power supply cord.
Why does the display show the wrong number on my LG MS-191MC Microwave Oven?
If the display on your LG Microwave Oven shows a number or figure different from the one touched, it indicates a defective PCB assembly. Replace the PCB assembly.
Lists necessary tools and measuring instruments for servicing microwave ovens.
Procedures and cautions for testing microwave leakage and energy levels.
Explains how to test interlock switches for continuity.
General| Capacity | 19 Liters |
|---|---|
| Power Output | 700 Watts |
| Control Type | Mechanical |
| Cavity Material | Painted |
| Turntable | Yes |
| Type | Microwave Oven |
| Power | 1150 W |
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