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(TROUBLE 4) The following visual conditions indicate a probable defective touch control circuit or membrane switch
assembly
1. Incomplete segments,
1) Segments missing.
2) Partical segments missing.
3) Digit flickering other than normal display slight flickering.
4) " :0" does not display when power is on.
2. A distinct change in the display is not on when they should be.
3. One or more digits in the display are not on when they should be.
4. Display indicates a number different from one touched.
5. Specific numbers (for example 2 or 3) will not display when the panel is touched.
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 noticeable too fast while cooking.
10. Display does not show the time of day when clear pad is touched.
11. Oven lamp and turntable motor do not stop although cooking is finished. Check if the RELAY 2 contacts close if they
are close, replace touch control circuit.
NOTE
Before following the particular steps listed above in the trouble shooting guide for the touch pad, failure, please
check for the continuity of each wire-harness between the touch pad and P.C.B. assembly.
CONDITION
CHECK
Check each control on touch
pad
Malfunction
of control circuit
board
RESULT
Normal
CAUSE
REMEDY
Replace
control circuit
board
Malfunction
of the membrane
keyboard
Abnormal
Replace the
membrane
keyboard
Display does
not show
programming
at all, even if
panel is
touched.
Содержание TMW-1100E
Страница 1: ...Turbo Air Inc 1250 VICTORIA ST CARSON CA 90746 USA PRINTED DATE May 2003 S M No ...
Страница 32: ...30 WIRING DIAGRAM TMW 1100EC ...
Страница 33: ...31 WIRING DIAGRAM TMW 1100E ...
Страница 34: ...32 WIRING DIAGRAM TMW 1100MC ...
Страница 35: ...33 WIRING DIAGRAM TMW 1100M ...
Страница 37: ...35 MP1 MP2 Measure point ...
Страница 39: ...37 2 P C B CIRCUIT DIAGRAM ...
Страница 62: ...60 WIRING DIAGRAM TMW 800TC ...