What does error E5 mean on my Samsung CM1929 Microwave Oven?
The 'E5' error code on your Samsung Microwave Oven indicates a Memory IC (EEPROM IC) failure or a MICOM failure. Check the Memory (IC3) and replace if defective. Replace the Ass’y Main P.C.B or MICOM.
What to do if my Samsung CM1929 Microwave Oven shows E3 error?
If your Samsung Microwave Oven displays error code E3, it could be due to overheating inside the cavity because there's no load or too little load. Try plugging the power cord in again. Also, check for any blockages around the air exhaust area or ventilation openings. If the error persists, check the resistance of the Thermistor sensor and replace it if defective. The ventilation motor might be failing and causing the magnetron to overheat; replace the motor if necessary.
What does error code E41 mean on a Samsung CM1929?
The E41 error code on your Samsung Microwave Oven indicates a Main Relay (RY1) or Power Relay1 (RY2) failure, loose lead wires of the relay, a Primary or Monitor S/W failure, loose lead wires of the Primary or Monitor S/W, or a H.V.Trans input power sensing circuitry failure. Check the Main Relay (RY1), Power Relay1 (RY2), Primary S/W, and Monitor S/W, and replace if defective. Also, check if lead wires are loosened and connect firmly if loose. Check the circuitry and replace if defective.
What does error code E1 mean on a Samsung Microwave Oven?
The 'E1' error code on your Samsung Microwave Oven indicates an improper input power frequency or a defective Ass’y Main P.C.B. Check if the power frequency is 50Hz. Replace the Ass’y Main P.C.B or MICOM.
Why is the turntable motor in my Samsung CM1929 noisy?
Noise from the turntable motor in your Samsung Microwave Oven when it starts may result from the motor itself. Replace the turntable motor.
What does error code E42 mean on my Samsung CM1929?
The E42 error code on your Samsung Microwave Oven indicates a failure with the Main Relay (RY5), loose lead wires of the Power relay (RY5), a Primary or Monitor S/W failure, loose lead wires of the Primary or Monitor S/W, a blown fuse (10A) on the neutral area of the Ass’y Noise Filter, or a H.V.Trans input power sensing circuitry failure. Check the Power Relay2, Primary S/W, Monitor S/W, or Fuse and replace if defective. Check if lead wires are loosened and repair as necessary. Check the circuitry.
What to do if Samsung Microwave Oven timer counts down but there is no heat?
If your Samsung Microwave Oven's timer counts down but isn't heating, even though the lamp and fan are on, it could be due to an open or loose connection in the high voltage circuit, especially the magnetron filament circuit, or defective high voltage components such as the H.V.Transformer, H.V. Capacitor, H.V.Diode, H.V.Fuse Magnetron. Adjust the door and latch switches and check the high voltage components according to the component test procedure; replace any defective parts.
What does error E3 mean on a Samsung Microwave Oven?
The 'E3' error code on your Samsung Microwave Oven indicates overheating inside the cavity, possibly due to no load or little load aging, blocked air ventilation around the exhaust area, or ventilation motor failure and magnetron overheating. Check if the oven was operating without load or with too little load, and plug the power cord in again. If the error persists, check the resistance of the Thermistor sensor and replace it if defective. Also, check for any blocking materials around the air exhaust or ventilation opening. If the ventilation motor is not working and the magnetron is overheating, replace the motor.
Samsung CM1929 Microwave Oven is dead, but the fuse is OK, how to fix it?
If your Samsung Microwave Oven is completely dead with no display or operation, even though the fuse is okay, it could be due to an open or loose lead wire harness, an open thermal cutout (Magnetron), or a defective Ass’y PCB. Check the fan motor when the thermal cutout is defective.
Why is my Samsung CM1929 Microwave Oven making a loud buzzing noise?
A loud buzzing noise in your Samsung Microwave Oven can be caused by a loose fan or fan motor, loose screws on the H.V.Transformer, a shorted H.V.Diode, or a loose or missing screw on the Cover-Back. Tighten the screws of the fan motor and H.V.Transformer. Replace the H.V.Diode and tighten the screws of the Cover-Back.
General| Microwave power | 1850 W |
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Safety precautions for servicing to avoid possible exposure to microwave energy.
General safety measures and compliance with Federal Performance Standard 21 CFR.
Warnings and procedures for handling high voltage components and capacitors.
Step-by-step guide for replacing magnetron, motor, and lamp components.
Procedure for safely removing and replacing the high voltage transformer.
Procedure for safely replacing the high voltage capacitor.
Checking continuity and resistance of the high voltage transformer.
Continuity checks to diagnose open filament or shorted magnetron.
Method for measuring magnetron output power using a water temperature rise test.
Steps for measuring microwave leakage using a survey meter.
Common electrical issues, causes, and correction steps for the microwave oven.
Table of error codes, their causes, and corresponding correction procedures.
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