Daewoo KOR-164H0A Service Manual page 19

CON DITION
O utlet has
proper voltage
Fuse does not
blow.
NOTE
All these switches must be replaced at the same time, please refer to "Interlock Mechanism And Adjustment".
( TROUBLE 2 ) Display shows all figures selected, but oven does not start cooking, even though desired program
and time are set and start pad is tapped.
CON DITION
Turn table
m otor, and
oven lam p do
not turn on
CHECK
C heck con tinuity of
m agn etron
C heck con tinuity of
pow er supply cord
D isplay do not
show n countdow n
CHECK
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
RESULT
N o D efective
C ontinuity m agn etron
N o O pen pow er
C ontinuity supply cord
N orm al
D efective touch
control circuit
M alfunction of
secondary
interlock sw itch
RESULT
N o
M alfunction
C ontinuity
interlock sw itch
N o
M alfunction
C ontinuity
of secondary
interlock sw itch
0 V
touch control
A pprox
15 VD C
contacts of
(RY 2) or open
18
CAUSE REM EDY
R eplace
R eplace
R eplace
R eplace
CAUSE REM EDY
A djust or
R eplace
of prim ary
A djust or
R eplace
R eplace
D efective
circuit
R eplace
Faulty
R ELAY
relay coil