In the Samsung oven, SE error is a frequent reason that the unit behaves inappropriately. It either does not respond at all to given commands, or it starts to “cook” something spontaneously.
What is the microwave oven SE error code related to?
Actually SE error is 5E. Users confuse a number with a letter because of similar writing. It signals the presence of one or more problems in the keyboard area.
First, you need to make sure that there is no failure on the control board. To do this, you must:
- unplug the microwave oven from the outlet;
- wait for 1 – 2 minutes;
- switch on power;
- start the microwave.
If the SE error code does not appear on the screen anymore, the device is fit and can be used. If it reappears, you should check the keyboard, wiring, and tracks of the sensor unit.
Competent troubleshooting
Samsung oven gives out SE error due to the fact that there are no contacts on the control panel. There may be several reasons for this, and each of them requires its own technical solution.
Sticky keys
The main sign: when you press the keyboard (all buttons or all of them), the microwave oven does not respond to commands. In this case, the specific switching sound is not heard and SE error is displayed. With an auto cook program, the microwave often starts random mode itself.
It happens when you too often and too strongly press on the sensor module. It consists of two films with applied conductive paths and pads opposite each other. As a result, thin membranes stick together with the surface.
To restore the performance of the keys and eliminate SE error code, you must:
- disconnect the device;
- remove the top cover;
- disconnect all cables from the panel (power, ground, sensor signal transmission);
- warm-up the front of the control unit with a hairdryer or fan heater;
- pry off the film from below with any sharp tool;
- carefully unstick the membrane from the case in the direction from bottom to top and from left to right without jerking, in order not to damage the cable on the right side;
- stick up the intervals between the contacts with narrow scotch;
- return the film back;
- switch on the unit and check the response of the buttons.
It helps to restore normal signal admittance when pressed since SE error is associated not with poor contact, but with subsidence of a thin membrane. Sticked scotch increases the gap clearance between the upper and lower surfaces.
Damaged keyboard
Due to the penetration of moisture into the inter-film space, a short circuit may occur. As a result, we have stray power and current leakage. Key signs: the microwave freezes up periodically, losing the optimal conductivity of the buttons when pressed, regardless of mode. Or suddenly it starts to warm up, but during the process, it switches off and displays the SE error code.
In such a situation, reinstalling the touchpad, which costs from $ 25, will help. Moreover, you can independently replace the buttons with microswitches. To do this you should:
- unplug the cord from the outlet;
- remove the case;
- disconnect all cables going to the control module;
- warm the touch panel with a hairdryer;
- remove the flexible film by carefully moving it to the right side;
- mark the location of the keys with a marker;
- drill holes of appropriate diameter;
- install microswitches;
- solder them with a cable from the computer;
- connect the resulting harness to the control unit;
- stick the membrane back;
- switch on the microwave oven and check it in action.
Faulty tracks
This is another reason that the SE error code is displayed. Moreover, the unit does not respond to pressing again. It happens if the cable is oxidized or burnt due to moisture. To restore sensor tracks, you need to:
- disconnect the microwave from the mains and remove the cover;
- unscrew the bolt at the top and disconnect all cables (grounding, current supply, and signal to the sensor);
- open the microwave oven and unscrew the 4 bolts that hold the front board;
- remove it from the latches and warm it with a household fan or a hot air gun;
- pry off the film from the bottom from the left with a suitable tool, moving up, then evenly move it to the right (it is forbidden to pull it with a jerk – on the right side there is an input of the sensor cable);
- disconnect the other membrane to reach the damaged areas, due to which SE error occurs;
- strip the insulation by gently wiping it off the surface;
- test the tracks with a multimeter;
- apply conductive glue to empty areas (if thin lines cannot be drawn, they can be completely filled);
- wait for 2 – 3 hours until the entire layer gets dry;
- separate the tracks with a thin awl and test the contacts so that they do not short-circuit;
- stick up the place of repair with scotch on both sides, eliminating the risk of condensate penetration;
- assemble the microwave and check if SE error code