Daewoo KOR-616T2S, Руководство по обслуживанию

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Folling the procedure below to check if the oven is defective or not.
1. Check earthing before fault finding.
2. Be careful of the high voltage circuit.
3. Discharge the high voltage capacitor.
4. When checking the continuity of the switches, fuse or high voltage transformer, disconnect one lead
wire from these parts and check continuity with the AC plug removed. To do otherwise may result in a
false reading or damage to your meter.
TROUBLE SHOOTING GUIDE
NOTE
: When electric parts are checked or replaced, be sure the power cord is not inserted the wall
outlet.
Check wire harness, wiring, and connection of the terminals, and power cord before check
the parts listed below.
1. Incomplete segments.
(A) Segments missing.
(B) Partial segments missing.
(C) Digit flickering other than normal
fluorescent slight flickering.
2. A distinct change in the brightness of one or
more numbers is in the display.
3. One or more digits in the display are not on when
they should be.
4. Display indicates a number different from one
setted. (For example, when 5:00 setted, 3:00
appears in the display.)
5. Specific numbers (for example 2 or 3) do not
display when the dial knob is rotated.
6. Display does not count down or up with time
cooking or clock operation.
7. Oven is programmable and cooks normally but
no display shows.
8. Display obviously jumps in time while counting
down.
9. Display counts down noticeably too fast while
cooking.
10. Display can not shift from the first stage cooking
to the third stage cooking while 3 phase
cooking (including defrost).
11. Display does not show the time of day when
clear button is pressed.
12. Oven lamp, fan motor and turn table motor do
not stop although cooking is finished. Check if
the RELAY (RY2) contacts close if they are
close, replace touch control circuit.
(TROUBLE 1) The following visual conditions indicate a probable defective touch control
circuit.
Stop Defrost
1 2 Weight Quantity Time
Lock Auto cook Watt g