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
N o
C ontinuity
N orm al
D efective touch
control circuit
O pen pow er
supply cord
R eplace
C heck con tinuity of
pow er supply cord
A djus t
C heck con tinuity of
noise filter board
N o
C ontinuity
D efective line
filter board
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 oto r and
oven lam p do
not turn on
N o
C ontinuity
A djus t or
replace
A djus t or
replace
R eplace
R eplace
M alfunction
of prim ary
interlock
sw itch
N o
C ontinuity
0 V
A pprox.
15 VD C
C heck con tinuity of
prim ary interlock sw itch
C heck con tinuity of
secondary interlock and
D .O .M . sw itches
C heck D .C. voltage
being supplied to
R ELAY (R Y2) coil
M alfunction
of secondary
interlock and
D .O .M . sw itch
D efective
touch control
circuit
F aulty
contacts of
R ELAY
(RY 2) or open
relay coil
