TROUBLE 5) Bottom heater is not heated; food will not become hot.
CONDITION
Bottom heater is not heated.
CHECK
Check continuity of Primary interlock switch
Check continuity of 
secondary interlock
switch
Check continuity of heater
Check D.C voltage
Being supplied to
RELAY (RY7) coil
RESULT
No
Continuity
No
Continuity
No continuity
0V
Approx. 24V DC
CAUSE
Malfunction Of primary Interlock switch
Malfunction Of secondary interlock switch
Defective heater
Defective Touch control circuit
Faulty contacts of RELAY (RY7) or open relay coil
REMEDY
Adjust or
Replace
Adjust or replace
Replace
Replace
Replace
(TROUBLE 6) The Following visual conditions indicate a probable defective touch control Circuit or button P.C.B assembly
1.incomplete segments.
1)segment missing
2)partial segments missing
3)digit flickering other than normal fluorescent slight flickering
2.A distinct change in the brightness of one or
more numbers exists in the display
3. One or more digits in the display are not on when they should be.
4. Display does not count down or up with time cooking or clock operation.
5.Oven is programable and cooks normally but no display shows.
6.Display obviously jumps in time while counting down.
7.display counts down noticeably too fast while cooking.
8.Display does not show the time of day when clear button is touched. 9.Oven lamp and turn table motor do not stop although cooking is finished.
Check if the RELAY(RY4) contacts close and if they are close, replace touch control circuit.
CONDITION
Display does Not show Programming At all. Even if button is Touched.
CHECK
Check each button For continuity of the Button
RESULT
Normal
CAUSE
Malfunction Of touch Control circuit of Control box
REMEDY
Replace control box
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