Question 1

the turntable motor makes a loud grinding noise and sometimes just stops turning.

Accepted Answer

DIAGNOSIS The turntable motor gearbox has failed. Gears inside strip or bind. Food spills can also jam the roller ring. FIX First, remove the glass tray and roller ring. Clean the cavity floor and the ring guide. Ensure the ring rotates freely. Reinstall everything properly. IF THAT DIDN'T WORK The turntable motor itself is faulty. You must replace the motor (often called the tray motor or drive motor). It's located under the cavity floor. HEADS UP Running it with a grinding motor can overload other components. Stop using it until fixed to prevent further damage.

Question 2

the microwave works but the stove hood lights underneath don’t come on at all.

Accepted Answer

DIAGNOSIS Both LED modules have failed or the wiring harness connector to them is loose. They are not user-replaceable bulbs. FIX Check the connector. Unplug the microwave and lower it. Locate the white rectangular connector going to the light board on the underside. Reseat it. IF THAT DIDN'T WORK The entire LED light assembly (part # DA97-14133A) must be replaced. It's a single unit containing both LED strips. HEADS UP There is no direct user serviceable light bulb. Attempting to pry the lens cover off will break it.

Question 3

it smells like burning plastic or electrical when i run the vent fan, not cooking smells.

Accepted Answer

DIAGNOSIS Debris (plastic wrapper, insulation) likely got sucked into the blower housing and is melting on the motor or heating element. FIX Immediately turn off and unplug the unit. Remove the grease filter and inspect the blower cavity with a flashlight. Use needle-nose pliers to remove any foreign object. IF THAT DIDN'T WORK The vent motor bearings may be seizing, causing overheating. You will hear a grinding noise with the smell. Motor replacement is needed. HEADS UP Do not run the fan with this smell. It is a fire hazard. Have it inspected if you cannot find and remove the debris.

Question 4

the interior light won’t turn on when i open the door or press the light button.

Accepted Answer

DIAGNOSIS The halogen bulb is burned out or the door switch that triggers the light is faulty. FIX Replace the bulb first. It's a standard 20W Halogen T4 (JCD Type) bulb. Access it by removing the bulb cover inside the microwave cavity. IF THAT DIDN'T WORK The door switch assembly has multiple micro-switches. The one for the light may be failed. This requires a door switch replacement. HEADS UP The bulb gets extremely hot during operation. Let the microwave cool completely before replacement. Do not touch the new bulb with bare fingers.

Question 5

the touchpad on my samsung microwave is totally unresponsive, buttons don’t beep or do anything.

Accepted Answer

DIAGNOSIS The membrane touchpad or its ribbon cable connection has failed. A spill or physical impact is the usual cause. FIX Unplug the microwave. Remove the mounting screws to lower the unit and access the control panel from behind. Check the ribbon cable connection to the main board. Reseat it firmly. IF THAT DIDN'T WORK The touchpad assembly itself is defective and must be replaced as a unit. Part number is often on the back of the pad. HEADS UP The unit is heavy. Get a helper to support it when lowering. Ensure power is disconnected before any disassembly.

Question 6

the vent fan won’t turn off, it just runs constantly even when the microwave is off.

Accepted Answer

DIAGNOSIS The touchpad for the vent fan is likely stuck or shorted. Moisture or grease can cause a phantom press. FIX Clean the entire control panel thoroughly with a damp cloth, focusing on the vent control area. Let it dry completely. Press the vent OFF button firmly several times. IF THAT DIDN'T WORK The control board may have a failed relay. This requires a main PCB replacement. Unplug the unit to stop the fan until it's repaired. HEADS UP A constantly running fan draws power and wears the motor. Do not leave it in this state for extended periods.

Question 7

the fan on my me19r7041fs is crazy loud on the highest setting, sounds like a jet engine. normal?

Accepted Answer

DIAGNOSIS Excessive noise on high speed is often a loose or misaligned fan blade. The centrifugal blower wheel can also collect grease and wobble. FIX Remove the grease filter and check the blower wheel behind it. Clean any heavy grease buildup with a degreaser. Ensure the wheel is seated firmly on the motor shaft. IF THAT DIDN'T WORK The damper flap on the exterior vent may be vibrating against the duct. Inspect the external vent cover. Ensure the damper moves freely and isn't stuck. HEADS UP Always disconnect power before reaching into the vent area. The blower wheel is plastic; do not force it.

Question 8

my samsung microwave just shows PF on the display and won’t do anything, what does that mean?

Accepted Answer

DIAGNOSIS PF is Power Failure. The microwave lost AC power abruptly. It's a memory reset, not a fault. FIX Unplug the microwave from the wall outlet for 30 seconds. Plug it back in. The PF display should clear. You will need to reset the clock. IF THAT DIDN'T WORK The outlet itself may have a loose connection or the home's circuit breaker tripped. Check the breaker panel. Plug a lamp into the same outlet to test it. HEADS UP PF can appear after a brief power flicker. It doesn't damage the oven. Consider a small UPS if this happens often.

Samsung ME19R7041FS Over-the-Range Microwave

Other Microwaves