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TROUBLE SHOOTING GUIDE
(TROUBLE 4) Display shows all figures selected, but oven does not start cooking, even though desired program and time are
set and start pad is tapped.
(TROUBLE 5) 1) Under heater is not heated; Food will not become hot.
2) Convection motor does not rotate.
C O N D ITIO N
C H EC K
R ESU LT
C AU SE
R EM ED Y
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.
12 VD C
C heck con tinuity of
prim ary interlock sw itch
C heck con tinuity of
secondary interlock and
D .O .M . sw itch
C heck D .C . voltage
being supplied to
R ELAY (R Y3) coil
M alfunction
of secondary
interlock and
D .O .M . sw itch
D efective
touch control
circuit
F aulty
contacts of
R ELAY
(R Y 3) or open
relay coil
C O N D ITIO N
C H EC K
R ESU LT
C AU SE
R EM ED Y
1 ) U n d e r h e a te r
is n o t h e a te d .
2 ) C o n v e ctio n
fa n a n d m o to r
d o e s n o t ro ta te .
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.
12 VD C
C heck con tinuity of
prim ary interlock sw itch
C heck con tinuity of
secondary interlock sw itch
C heck D .C . voltage
being supplied to
R ELAY (R Y5) coil
M alfunction
of secondary
interlock sw itch
D efective
touch control
circuit
F aulty
contacts of
R ELAY
(R Y 5) or open
relay coil
R eplace
N o
C ontinuity
C heck con tinuity of
heater (m otor)
D efective
heater(m otor)
Содержание KOC-972T0S
Страница 5: ... EXTERNAL VIEW 1 OUTER DIMENSION KOC 972T KOC 982T 983T 984T 985T ...
Страница 35: ... WIRING DIAGRAM ...
Страница 36: ... SCHEMATIC DIAGRAM ...
Страница 37: ... SCHEMATIC DIAGRAM ...
Страница 38: ... SCHEMATIC DIAGRAM ...
Страница 39: ... EXPLODED VIEWS AND PARTS LIST 1 KOC 972T EXPLODED VIEW ...
Страница 42: ... EXPLODED VIEWS AND PARTS LIST 2 KOC 982T 983T 984T 985T EXPLODED VIEW ...
Страница 50: ...49 P C B CIRCUIT DIAGRAM 1 KOC 972T 982T ...
Страница 52: ... P C B CIRCUIT DIAGRAM KOC 983T 984T 985T ...