Troubleshooting - Panasonic NE-7920 Service Manual

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TROUBLESHOOTING GUIDE
PELI CLL CIS ALS LD CLI LI ACLS PID CLS SS LD LI LI CLI CSTD AI CAS AY LLY CALMS CAPES IO
damage to your meter.
built up in your body.
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[TROUBLE 1] The following visual conditions indicate a probable defective digital programmer circuit
12.
13
14.
ono 8 WOW N
2 Of N D
(D.P.C.).
. Incomplete segments
A. Segments missing.
B. Partial segments missing.
For example, touch 5 and 3 appears in the display.
Specific numbers (for example 2 or 3) will not
display.
Display does not count down with time cooking or
when using display as a timer.
. Display does not count up with clock operation.
. Oven
is programable
and cooks normally
but no
display shows.
. Display obviously jumps in time while counting down
or up.
. Display counts down noticeably too fast while
cooking.
Display can not shift from the first stage cooking to
the second stage cooking while 2-phase cooking.
Display does not stop counting down with time
cooking even when stop pad is tapped.
TOD does not reappear when cooking is finished.
Power/Time Program
Stage! Stage2 Stage3 Def
ao
Def
[zane
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High M.High Med
NE-7920, NE-7920C
mm
rer.
Clock Set C
Auto Sensor Controt
Cook Warm
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Colon Segment
.s
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[—)
Warm
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M.Low
ClockSet Cc
Auto Sensor Control
Def-Cook
High M.High Med
B10
M.lLow Low
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Fig. 37