Panasonic NN-6207 Service Manual page 23

NN-6207, NN-6307, NN-6407
NN-6507, NN-6567, NN-6607, NN-6757
NN-6707, NN-6807
TROUBLESHOOTING GUIDE (NN-6207)
hon —
(TROUBLE 1] Oven does not operate at all even though timer is set.
1. 15A fuse blows (U.S.A model)
RESULT REMEDY
Replace latch switch A (primary),
latch switch B (secondary) and
short switch
Check continuity of short switch
with door closed
Continuity Shorted contacts of short switch
No continuity
Replace 15A fuse)
NOTE 1: These switches must be
replaced at the same time (Refer
to page 21 for adjustment instruc-
tions.)
switch A's contacts and latch
switch B's contacts with door par-
tially open until short switch con-
tacts close
Both continuity
Shorted contacts of latch switch A
or B and incorrect operation of latch
switch A or B
Both no continuity
Defective high voltage capacitor Replace
Disconnect one side of lead wire
connected from high voltage trans-
former to the high voltage capacitor
and operate the unit. Defective high voltage transformer
15A fuse again blows Replace
1".15A fuse blows (Canadian model)
REMEDY
RESULT
Replace latch switch A (jrimary)
Check continuity of short switch
and short switch
~ Continuity
No continuity
lace 15A fu
(Replace 15A fuse) NOTE 1: These switchesrmust be
replaced at the same tines (Refer
to page 21 for adjustmert instruc-
tions.)
Continuity Shorted contacts of latch switch A
Check continuity of latch switch A's
contacts with door partially open
until short switch contacts close ;
No continuity
Defective high voltage capacitor
Disconnect one side of lead wire
connected from high voltage trans-
former to the high voltage capacitor
and operate the unit.
15A fuse again blows Defective high voltage transformer
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