Daewoo KOR-630A0A, Руководство по обслуживанию

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TROUBLE SHOOTING GUIDE
( TROUBLE 2 ) Display shows all figures selected, but oven does not start cooking, even though desired program and tim e
are set and start pad is tapped.
CON DITION
CHECK RESULT CAUSE REM EDY
O utlet has
proper voltage
F use does not
blow.
C heck con tinuity of
m agn etron
N o
C ontinuity
D efective
m agn etron
R eplace
D isplay do not
show n countdow n
N o
C ontinuity
N orm al
D efective touch
control circuit
O pen pow er
supply cord
M alfunction of
secondary
interlock sw itch
R eplace
C heck con tinuity of
pow er supply cord
R eplace
R eplace
NOTE
A ll these sw itches m ust be replaced at the sam e tim e, please refer to “Interlock M echanism A nd A djustm ent”.
CON DITION
CHECK RESULT CAUSE REM EDY
Turn table
m otor, and
oven lam p do
not turn on
N o
C ontinuity
C heck continuity of
prim ary interlock sw itch
C heck continuity of
secondary interlock sw itch
C heck D .C. voltage
being supplied to
R ELAY (R Y2) coil
M alfunction
of prim ary
interlock sw itch
M alfunction
of secondary
interlock sw itch
D efective
touch control
circuit
F aulty
contacts of
R ELAY
(RY 2) or open
relay coil
A djus t or
R eplace
A djus t or
R eplace
R eplace
R eplace
N o
C ontinuity
0 V
A pprox
15 VD C